[Discover] Rename Saved Search to Discover Session (elastic#202217)

- Closes elastic#174144

## Summary

This PR renames Saved Search into Discover Session in UI.

- [x] Discover
- [x] Saved Objects page and modal
- [x] Docs
- [x] Other occurrences 

<img width="810" alt="Screenshot 2024-12-16 at 15 20 10"
src="https://github.com/user-attachments/assets/e39083da-f496-4ed5-bbdc-8e184897fc41"
/>
<img width="1220" alt="Screenshot 2024-12-11 at 14 40 15"
src="https://github.com/user-attachments/assets/a6dc3e29-e1a5-4304-8148-0108231cc9de"
/>
<img width="1476" alt="Screenshot 2024-12-16 at 14 57 39"
src="https://github.com/user-attachments/assets/4b34c70e-e21a-4d82-85f2-f5a3cb7a3826"
/>


### Checklist

- [x] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)
- [x]
[Documentation](https://www.elastic.co/guide/en/kibana/master/development-documentation.html)
was added for features that require explanation or tutorials
- [x] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios
- [x] The PR description includes the appropriate Release Notes section,
and the correct `release_note:*` label is applied per the
[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)

---------

Co-authored-by: kibanamachine <[email protected]>
Co-authored-by: wajihaparvez <[email protected]>
Co-authored-by: Davis McPhee <[email protected]>
Co-authored-by: Julia Bardi <[email protected]>

Author: 5 people

dev_docs/key_concepts/building_blocks.mdx

@@ -42,7 +42,7 @@ and <DocLink id="kibBuildingBlocks" section="index-patterns" text="Index Pattern
 ### Dashboard Embeddable
 
 Add a Dashboard Embeddable directly inside your application to provide users with a set of visualizations and graphs that work seamlessly
-with the <DocLink id="kibBuildingBlocks" section="query-bar" text="Query Bar"/>. Every feature that is added to a registered <DocLink id="kibBuildingBlocks" section="embeddables" text="Embeddable" /> (Lens, Maps, Saved Searches and more) will be available automatically, as well as any <DocLink id="kibBuildingBlocks" section="ui-actions--triggers" text="UI Actions" /> that are added to the Embeddable context menu panel (for example, drilldowns, custom panel time ranges, and "share to" features).
+with the <DocLink id="kibBuildingBlocks" section="query-bar" text="Query Bar"/>. Every feature that is added to a registered <DocLink id="kibBuildingBlocks" section="embeddables" text="Embeddable" /> (Lens, Maps, Discover sessions and more) will be available automatically, as well as any <DocLink id="kibBuildingBlocks" section="ui-actions--triggers" text="UI Actions" /> that are added to the Embeddable context menu panel (for example, drilldowns, custom panel time ranges, and "share to" features).
 
 The Dashboard Embeddable is one of the highest-level UI components you can add to your application.
 

docs/concepts/data-views.asciidoc

@@ -166,7 +166,7 @@ clusters or indicies from cross-cluster search].
 When you delete a {data-source}, you cannot recover the associated field formatters, runtime fields, source filters,
 and field popularity data. Deleting a {data-source} does not remove any indices or data documents from {es}.
 
-WARNING: Deleting a {data-source} breaks all visualizations, saved searches, and other saved objects that reference the data view.
+WARNING: Deleting a {data-source} breaks all visualizations, saved Discover sessions, and other saved objects that reference the data view.
 
 . Go to the **Data Views** management page using the navigation menu or the <<kibana-navigation-search,global search field>>.
 

docs/concepts/esql.asciidoc

@@ -26,7 +26,7 @@ disabled using the `enableESQL` setting from the
 {kibana-ref}/advanced-options.html[Advanced Settings].
 
 This will hide the {esql} user interface from various applications.
-However, users will be able to access existing {esql} artifacts like saved searches and visualizations.
+However, users will be able to access existing {esql} artifacts like saved Discover sessions and visualizations.
 ====
 
 [float]

docs/concepts/save-query.asciidoc

@@ -11,10 +11,10 @@ Save this query, and you can embed the search results in dashboards,
 use them as a foundation for building a visualization,
 and share them in a link or CVS form.
 
-Saved queries are different than <<save-open-search,saved searches>>,
+Saved queries are different than <<save-open-search,saved Discover sessions>>,
 which include the *Discover* configuration&mdash;selected columns in the document table, sort order, and
 {data-source}&mdash;in addition to the query.
-Saved searches are primarily used for adding search results to a dashboard.
+Discover sessions are primarily used for adding search results to a dashboard.
 
 [role="xpack"]
 ==== Read-only access

docs/developer/plugin-list.asciidoc

@@ -309,6 +309,7 @@ oss plugins.
 
 |{kib-repo}blob/{branch}/src/plugins/saved_search/README.md[savedSearch]
 |Contains the saved search saved object definition and helpers.
+This object is created when a user saves their current session in the Discover app.
 
 
 |{kib-repo}blob/{branch}/src/plugins/screenshot_mode/README.md[screenshotMode]

docs/discover/document-explorer.asciidoc

@@ -36,7 +36,7 @@ In the pop-up, drag the column names to their new order.
 
 * To resize a column, drag the right edge of the column header until the column is the width that you want.
 +
-Column widths are stored with a saved search.  When you visualize saved searches on dashboards, the saved search appears the same as in **Discover**.
+Column widths are stored with a Discover session. When you add a Discover session as a dashboard panel, it appears the same as in **Discover**.
 
 [float]
 [[document-explorer-density]]

docs/discover/get-started-discover.asciidoc

@@ -293,24 +293,24 @@ Learn more about how to use ES|QL queries in <<try-esql, Using ES|QL>>.
 
 [float]
 [[save-discover-search]]
-==== Save your search for later use
+==== Save your Discover session for later use
 
-Save your search so you can use it later, generate a CSV report, or use it to create visualizations, dashboards, and Canvas workpads.
-Saving a search saves the query text, filters,
+Save your Discover session so you can use it later, generate a CSV report, or use it to create visualizations, dashboards, and Canvas workpads.
+Saving a Discover session saves the query text, filters,
 and current view of *Discover*, including the columns selected in
 the document table, the sort order, and the {data-source}.
 
 . In the application menu bar, click **Save**.
 
-. Give your search a title and a description.
+. Give your session a title and a description.
 
-. Optionally store <<managing-tags,tags>> and the time range with the search.
+. Optionally store <<managing-tags,tags>> and the time range with the session.
 
 . Click **Save**.
 
 [float]
 [[share-your-findings]]
-==== Share your search
+==== Share your Discover session
 
 To share your search and **Discover** view with a larger audience, click *Share* in the application menu bar.
 For detailed information about the sharing options, refer to <<reporting-getting-started,Reporting>>.

docs/discover/save-search.asciidoc

@@ -1,9 +1,9 @@
 [[save-open-search]]
-== Save a search for reuse
+== Save a Discover session for reuse
 
-A saved search is a convenient way to reuse a search
+A saved Discover session is a convenient way to reuse a search
 that you've created in *Discover*.
-Saved searches are good for adding search results to a dashboard,
+Discover sessions are good for saving a configured view of Discover to use later or adding search results to a dashboard,
 and can also serve as a foundation for building visualizations.
 
 [role="xpack"]
@@ -16,27 +16,27 @@ displayed and the *Save* button is not visible. For more information, refer to <
 [role="screenshot"]
 image::discover/images/read-only-badge.png[Example of Discover's read only access indicator in Kibana's header]
 [float]
-=== Save a search
+=== Save a Discover session
 
-By default, a saved search stores the query text, filters, and
+By default, a Discover session stores the query text, filters, and
 current view of *Discover*, including the columns and sort order in the document table, and the {data-source}.
 
-. Once you've created a search worth saving, click *Save* in the toolbar.
-. Enter a name for the search.
-. Optionally store <<managing-tags,tags>> and the time range with the search.
+. Once you've created a view worth saving, click *Save* in the toolbar.
+. Enter a name for the session.
+. Optionally store <<managing-tags,tags>> and the time range with the session.
 . Click *Save*.
-. To reload your search results in *Discover*, click *Open* in the toolbar, and select the saved search.
+. To reload your search results in *Discover*, click *Open* in the toolbar, and select the saved Discover session.
 +
-If the saved search is associated with a different {data-source} than is currently
-selected, opening the saved search changes the selected {data-source}. The query language
-used for the saved search is also automatically selected.
+If the saved Discover session is associated with a different {data-source} than is currently
+selected, opening the saved Discover session changes the selected {data-source}. The query language
+used for the saved Discover session is also automatically selected.
 
 [float]
-=== Duplicate a search
-. In **Discover**, open the search that you want to duplicate.
+=== Duplicate a Discover session
+. In **Discover**, open the Discover session that you want to duplicate.
 . In the toolbar, click *Save*.
-. Give the search a new name.
-. Turn on **Save as new search**.
+. Give the session a new name.
+. Turn on **Save as new Discover session**.
 . Click *Save*.
 
 
@@ -46,5 +46,5 @@ used for the saved search is also automatically selected.
 . Go to *Dashboards*.
 . Open or create the dashboard, then click *Edit*.
 . Click *Add from library*.
-. From the *Types* dropdown, select *Saved search*.
-. Select the saved search that you want to visualize, then click *X* to close the list.
+. From the *Types* dropdown, select *Discover session*.
+. Select the Discover session that you want to add, then click *X* to close the list.

docs/discover/search-sessions.asciidoc

@@ -52,7 +52,7 @@ image::images/search-session-awhile.png[Search Session indicator displaying the
 Once you save a search session, you can start a new search,
 navigate to a different application, or close the browser.
 
-. To view your saved searches, go to the
+. To view your saved search sessions, go to the
 *Search Sessions* management page using the navigation menu or the <<kibana-navigation-search,global search field>>.
 For a saved or completed session, you can also open this view from the search sessions popup.
 

docs/discover/search.asciidoc

@@ -92,10 +92,10 @@ status:[400 TO 499] AND (extension:php OR extension:html)
 
 
 [[save-open-search]]
-=== Save a search
-A saved search persists your current view of Discover for later retrieval and reuse. You can reload a saved search into Discover, add it to a dashboard, and use it as the basis for a visualization.
+=== Save a Discover session
+A saved Discover session persists your current view of Discover for later retrieval and reuse. You can reload a saved session into Discover, add it to a dashboard, and use it as the basis for a visualization.
 
-A saved search includes the query text, filters, and optionally, the time filter. A saved search also includes the selected columns in the document table, the sort order, and the current index pattern.
+A Discover session includes the query text, filters, and optionally, the time filter. A Discover session also includes the selected columns in the document table, the sort order, and the current {data-source}.
 
 [role="xpack"]
 [[discover-read-only-access]]
@@ -107,23 +107,23 @@ Kibana see <<xpack-security-authorization>>.
 [role="screenshot"]
 image::discover/images/read-only-badge.png[Example of Discover's read only access indicator in Kibana's header]
 
-==== Save a search
-To save the current search:
+==== Save a Discover session
+To save the current session:
 
 . Click *Save* in the toolbar.
-. Enter a name for the search and click *Save*.
+. Enter a name for the session and click *Save*.
 
-To import, export, and delete saved searches, go to the *Saved Objects* management page using the navigation menu or the <<kibana-navigation-search,global search field>>.
+To import, export, and delete saved Discover sessions, go to the *Saved Objects* management page using the navigation menu or the <<kibana-navigation-search,global search field>>.
 
-==== Open a saved search
-To load a saved search into Discover:
+==== Open a saved Discover session
+To load a saved session into Discover:
 
 . Click *Open* in the toolbar.
-. Select the search you want to open.
+. Select the session you want to open.
 
-If the saved search is associated with a different index pattern than is currently
-selected, opening the saved search changes the selected index pattern. The query language
-used for the saved search will also be automatically selected.
+If the saved Discover session is associated with a different {data-source} than is currently
+selected, opening the saved Discover session changes the selected {data-source}. The query language
+used for the saved Discover session will also be automatically selected.
 
 [[save-load-delete-query]]
 === Save a query
@@ -133,7 +133,7 @@ A saved query is a portable collection of query text and filters that you can re
 * View the results of the same query in multiple apps
 * Share your query
 
-Saved queries don't include information specific to Discover, such as the currently selected columns in the document table, the sort order, and the index pattern. If you want to save your current view of Discover for later retrieval and reuse, create a <<save-open-search, saved search>> instead.
+Saved queries don't include information specific to Discover, such as the currently selected columns in the document table, the sort order, and the {data-source}. If you want to save your current view of Discover for later retrieval and reuse, create a <<save-open-search, Discover session>> instead.
 
 [role="xpack"]
 ==== Read-only access