Updates code search and symbols (#52721)

Co-authored-by: Jules Porter <jules-p@users.noreply.github.com>
Co-authored-by: hubwriter <hubwriter@github.com>

Author: jules-p

content/copilot/using-github-copilot/asking-github-copilot-questions-in-githubcom.md

@@ -64,17 +64,17 @@ The skills you can use in {% data variables.product.prodname_copilot_chat_dotcom
 <!-- Check whether any edits to this table also need to be made to the same table later in asking-github-copilot-questions-in-your-ide.md -->
 | Skill | Description | Enabled by default? | Example question |
 | ----- | ----------- | ------------------- | ---------------- |
-| **Code search** | Natural language code search in the default branch of the Git repository. This skill is useful when you want to know where or how certain functionality has been implemented in the code. Note: this requires indexing to be enabled for the repository (see "[AUTOTITLE](/enterprise-cloud@latest/copilot/managing-copilot/managing-github-copilot-in-your-organization/managing-github-copilot-features-in-your-organization/indexing-repositories-for-copilot-chat)").   | Yes <br><br>Available for all repositories with a {% data variables.product.prodname_copilot_enterprise_short %} subscription, and for public repositories with a {% data variables.product.prodname_copilot_individuals_short %} or {% data variables.product.prodname_copilot_business_short %} subscription. | `Where is the logic that controls the user session management, and how does it work?`|
 | **Commit details** | Retrieves a list of commits, or the contents of a specific commit, to provide answers to commit-related questions. | Yes | `Explain the changes in the code of this commit`|
 | **Discussion details** | Retrieves a specific {% data variables.product.prodname_dotcom %} discussion. This is useful for quickly getting the gist of the conversation in a discussion. | Yes | `Summarize this discussion` |
 | **File details** | Retrieves a specific file in the default branch of the Git repository, allowing you to ask questions about the file and the recent changes made to it. This skill is useful when you provide the exact path of a file in the repository. | Yes | `What logic does user_auth.js encapsulate?` <br> <br>`What is the file history of user_auth.js?` |
 | **{% data variables.product.prodname_GH_advanced_security %}** | Retrieves information about security alerts within your organization from {% data variables.product.prodname_GH_advanced_security %} features ({% data variables.product.prodname_code_scanning %}, {% data variables.product.prodname_secret_scanning %}, and {% data variables.product.prodname_dependabot_alerts %}). | Yes | `How would I fix this {% data variables.product.prodname_code_scanning %} alert?` |
 | **Issue details** | Retrieves a specific {% data variables.product.prodname_dotcom %} issue, including the issue's title, number, author, status, body, linked pull requests, comments, and timestamps. | Yes | `Summarize the conversation on this issue and suggest next steps` |
+| **Lexical code search** | Keyword code search in the default branch of the Git repository. This skill is useful when you want to know about specific functions, methods or keywords that exist in the code. This skill leverages most of the functionality available to [{% data variables.product.prodname_dotcom %} Search](/search-github/github-code-search/understanding-github-code-search-syntax#using-qualifiers) like `symbol` and `path`. | Yes | `Find me the tests for the GitService class` |
 | **Pull request details** | Retrieves a specific pull request. This allows you to ask questions about the pull request, including getting a summary of the pull request, its comments, or the code it changes. | Yes | `Summarize this PR for me` <br><br>`Summarize the changes in this PR` |
 | **Release details** | Retrieves the latest, or specified, release. This allows you to find out who created a release, when it happened, and information included in the release notes. | Yes | `When was the latest release?` |
 | **Repository details** | Retrieves a specific {% data variables.product.prodname_dotcom %} repository. This is useful for finding out details such as the repository owner and the main language used. | Yes | `Tell me about this repo` |
+| **Semantic code search** | Natural language semantic code search in the default branch of the Git repository. This skill is useful when you want to know where or how certain functionality has been implemented in the code. Note: this requires indexing to be enabled for the repository (see "[AUTOTITLE](/enterprise-cloud@latest/copilot/managing-copilot/managing-github-copilot-in-your-organization/managing-github-copilot-features-in-your-organization/indexing-repositories-for-copilot-chat)").   | Yes <br><br>Available for all repositories with a {% data variables.product.prodname_copilot_enterprise_short %} subscription, and for public repositories with a {% data variables.product.prodname_copilot_individuals_short %} or {% data variables.product.prodname_copilot_business_short %} subscription. | `How does this repo manage HTTP requests and responses?`|
 | **Support search** | Retrieves information from the {% data variables.contact.contact_support_portal %}. This skill is useful for asking {% data variables.product.prodname_copilot_chat_short %} about {% data variables.product.prodname_dotcom %} products and support related questions. | Yes | `Can I use {% data variables.product.prodname_copilot_short %} knowledge bases with {% data variables.product.prodname_copilot_individuals_short %}?` |
-| **Symbol definition** | Retrieves the lines of code that define a specific code symbol (function, class, or struct) in the default branch of the Git repository. This skill is useful when you have the exact name of a symbol, and want to understand it. | Yes | `Write unit tests for the AuthUser method` |
 | **Web search** | Searches the web using the Bing search engine. This skill is useful for teaching {% data variables.product.prodname_copilot_short %} about recent events, new developments, trends, technologies, or extremely specific, detailed, or niche subjects. | No <br><br>{% ifversion fpt %}_For {% data variables.product.prodname_copilot_individuals_short %}:_<br>Enable in your user settings.<br><br>_For {% data variables.product.prodname_copilot_business_short %}:_<br>Enable in organization settings.{% else %}Enable in enterprise or organization settings.{% endif %} | `What are some recent articles about SAT tokens securing against vulnerabilities in Node?` |
 
 ## AI models for {% data variables.product.prodname_copilot_chat_short %}

content/copilot/using-github-copilot/asking-github-copilot-questions-in-your-ide.md

@@ -126,7 +126,6 @@ The skills you can use in {% data variables.product.prodname_copilot_chat_short
 <!-- to the same table in asking-github-copilot-questions-in-githubcom.md -->
 | Skill | Description | Enabled by default? | Example question |
 | ----- | ----------- | ------------------- | ---------------- |
-| **Code search** | Natural language code search in the default branch of {% ifversion fpt %}public Git repositories{% else %}the Git repository{% endif %}. This skill is useful when you want to know where or how certain functionality has been implemented in the code. Note: the repository must be indexed - see "[AUTOTITLE](/copilot/managing-copilot/managing-github-copilot-in-your-organization/managing-github-copilot-features-in-your-organization/indexing-repositories-for-copilot-chat)." | Yes<br><br>Available for all repositories with a {% data variables.product.prodname_copilot_enterprise_short %} subscription, and for public repositories with a {% data variables.product.prodname_copilot_individuals_short %} or {% data variables.product.prodname_copilot_business_short %} subscription.  | `@github Where is the logic that controls the user session management, and how does it work?` |
 | **Commit details** | Retrieves a list of commits, or the contents of a specific commit, to provide answers to commit-related questions. | Yes | `@github Explain the changes in the code of this commit` |
 | **Discussion details** | Retrieves a specific {% data variables.product.prodname_dotcom %} discussion. This is useful for quickly getting the gist of the conversation in a discussion. | Yes | `@github Summarize this discussion LINK-TO-DISCUSSION` |
 | **File details** | Retrieves a specific file in the default branch of the Git repository, allowing you to ask questions about the file and the recent changes made to it. This skill is useful when you provide the exact path of a file in the repository. | Yes | `@github What logic does user_auth.js encapsulate?` <br> <br> `@github What is the file history of user_auth.js?` |
@@ -135,12 +134,13 @@ The skills you can use in {% data variables.product.prodname_copilot_chat_short
 | {% ifversion ghec %} |
 | **Knowledge base search** | Tell {% data variables.product.prodname_copilot_chat_short %} to answer a question within the context of a knowledge base. To initiate a knowledge base search, first enter `@github #kb`. | Yes | Enter `@github #kb`, then choose your organization's style guide knowledge base, then ask: `What is our coding convention for indentation?` |
 | {% endif %} |
+| **Lexical code search** | Keyword code search in the default branch of the Git repository. This skill is useful when you want to know about specific functions, methods or keywords that exist in the code. This skill leverages most of the functionality available to [{% data variables.product.prodname_dotcom %} Search](/search-github/github-code-search/understanding-github-code-search-syntax#using-qualifiers) like `symbol` and `path`. | Yes | `Find me the tests for the GitService class` |
 | **Path search** | Retrieves a specific file in the default branch of the Git repository. This skill is useful when you provide the exact path of a file in the repository. | Yes | `@github What logic does user_auth.js encapsulate?` |
 | **Pull request details** | Retrieves a specific pull request. This allows you to ask questions about the pull request, including getting a summary of the pull request, its comments, or the code it changes. | Yes | `@github List my recent pull requests` |
 | **Release details** | Retrieves the latest, or specified, release. This allows you to find out who created a release, when it happened, and information included in the release notes. | Yes | `@github When was the latest release?` |
 | **Repository details** | Retrieves a specific {% data variables.product.prodname_dotcom %} repository. This is useful for finding out details such as the repository owner and the main language used. | Yes | `@github Tell me about PATH-TO-REPOSITORY` |
+| **Semantic code search** | Natural language semantic code search in the default branch of the Git repository. This skill is useful when you want to know where or how certain functionality has been implemented in the code. Note: this requires indexing to be enabled for the repository (see "[AUTOTITLE](/enterprise-cloud@latest/copilot/managing-copilot/managing-github-copilot-in-your-organization/managing-github-copilot-features-in-your-organization/indexing-repositories-for-copilot-chat)").   | Yes <br><br>Available for all repositories with a {% data variables.product.prodname_copilot_enterprise_short %} subscription, and for public repositories with a {% data variables.product.prodname_copilot_individuals_short %} or {% data variables.product.prodname_copilot_business_short %} subscription. | `How does this repo manage HTTP requests and responses?`|
 | **Support search** | Retrieves information from the {% data variables.contact.contact_support_portal %}. This skill is useful for asking {% data variables.product.prodname_copilot_chat_short %} about {% data variables.product.prodname_dotcom %} products and support related questions. | Yes | `@github Can I use {% data variables.product.prodname_copilot_short %} knowledge bases with {% data variables.product.prodname_copilot_individuals_short %}?` |
-| **Symbol definition** | Retrieves the lines of code that define a specific code symbol (function, class, or struct) in the default branch of the Git repository. This skill is useful when you have the exact name of a symbol, and want to understand it. | Yes | `@github Write unit tests for the AuthUser method` |
 | **Web search** | Searches the web using the Bing search engine. This skill is useful for teaching {% data variables.product.prodname_copilot_short %} about recent events, new developments, trends, technologies, or extremely specific, detailed, or niche subjects. | No <br><br>{% ifversion fpt %}_For {% data variables.product.prodname_copilot_individuals_short %}:_<br>Enable in your user settings.<br><br>_For {% data variables.product.prodname_copilot_business_short %}:_<br>Enable in organization settings.{% else %}Enable in enterprise or organization settings.{% endif %} | `@github #web What are some recent articles about SAT tokens securing against vulnerabilities in Node?` |
 
 {% ifversion ghec %}
@@ -261,12 +261,12 @@ The skills you can use in {% data variables.product.prodname_copilot_chat_short
 <!-- to the same table in asking-github-copilot-questions-in-githubcom.md -->
 | Skill  | Description | Enabled by default? | Example question |
 | ------ | ----------- | ------------------- | -----------------|
-| **Code search** | Natural language code search in the default branch of {% ifversion fpt %}public Git repositories{% else %}the Git repository{% endif %}. This skill is useful when you want to know where or how certain functionality has been implemented in the code. Note: the repository must be indexed - see "[AUTOTITLE](/copilot/managing-copilot/managing-github-copilot-in-your-organization/managing-github-copilot-features-in-your-organization/indexing-repositories-for-copilot-chat)." | Yes <br><br>Available for all repositories with a {% data variables.product.prodname_copilot_enterprise_short %} subscription, and for public repositories with a {% data variables.product.prodname_copilot_individuals_short %} or {% data variables.product.prodname_copilot_business_short %} subscription. | `@github Where is the logic that controls the user session management, and how does it work?` |
 | {% ifversion ghec %} |
 | **Knowledge base search** | Tell {% data variables.product.prodname_copilot_chat_short %} to answer a question within the context of a knowledge base. To initiate a knowledge base search, first enter `@github`, then press **#**, then select a knowledge base. | Yes | Enter `@github #`, then choose your organization's style guide knowledge base, then ask: `What is our coding convention for indentation?` |
 | {% endif %} |
+| **Lexical code search** | Keyword code search in the default branch of the Git repository. This skill is useful when you want to know about specific functions, methods or keywords that exist in the code. This skill leverages most of the functionality available to [{% data variables.product.prodname_dotcom %} Search](/search-github/github-code-search/understanding-github-code-search-syntax#using-qualifiers) like `symbol` and `path`. | Yes | `Find me the tests for the GitService class` |
 | **Path search** | Retrieves a specific file in the default branch of the Git repository. This skill is useful when you provide the exact path of a file in the repository. | Yes | `@github What logic does user_auth.js encapsulate?` |
-| **Show symbol definition** | Retrieves the lines of code that define a specific code symbol (function, class, or struct) in the default branch of the Git repository. This skill is useful when you have the exact name of a symbol, and want to understand it. | Yes | `@github Write unit tests for the AuthUser method` |
+| **Semantic code search** | Natural language semantic code search in the default branch of the Git repository. This skill is useful when you want to know where or how certain functionality has been implemented in the code. Note: this requires indexing to be enabled for the repository (see "[AUTOTITLE](/enterprise-cloud@latest/copilot/managing-copilot/managing-github-copilot-in-your-organization/managing-github-copilot-features-in-your-organization/indexing-repositories-for-copilot-chat)").   | Yes <br><br>Available for all repositories with a {% data variables.product.prodname_copilot_enterprise_short %} subscription, and for public repositories with a {% data variables.product.prodname_copilot_individuals_short %} or {% data variables.product.prodname_copilot_business_short %} subscription. | `How does this repo manage HTTP requests and responses?`|
 | **Web search** | Searches the web using the Bing search engine. This skill is useful for teaching Copilot about recent events, new developments, trends, technologies, or extremely specific, detailed, or niche subjects. | No <br><br>{% ifversion fpt %}_For {% data variables.product.prodname_copilot_individuals_short %}:_<br>Enable in your user settings.<br><br>_For {% data variables.product.prodname_copilot_business_short %}:_<br>Enable in organization settings.{% else %}Enable in enterprise or organization settings.{% endif %} | `@github What are some recent articles about SAT tokens securing against vulnerabilities in Node?` |
 
 {% ifversion ghec %}