> For the complete documentation index, see [llms.txt](https://docs.b2ihealthcare.com/snow-owl-authoring-platform/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.b2ihealthcare.com/snow-owl-authoring-platform/editing-and-authoring/snomed-ct-concept-editor/navigation.md).

# Navigation

The SNOMED CT Concept Editor can be opened from different parts of the application:

* **Views**: Double-click a concept in a view (e.g. SNOMED CT View, Search View, Bookmarks View).
* **Quick Search**: Click the highlighted concept in the list of quick search results.

To close an editor, just press **`X`**. Alternatively, you can right-click the tab to perform the following actions: *Close*, *Close Others*, *Close All*, *Close Tabs to the Left*, and *Close Tabs to the Right*.

If multiple concepts are open at the same time, they appear as tabs, making it easy to switch from one to another. You can also move tabs around to change the order by clicking and dragging.

If the space is too small to display all tabs, the `>>` symbol will indicate the number of hidden editor tabs (`>>2` symbolizing two hidden editor tabs). Clicking the symbol will display a drop-down box with all the open editors to pick from.

![Reveal Hidden Editors](/files/G2W8zDVWJiqf49pn8Yuj)


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