Get to Know the Lightning Console

Lightning console apps are similar to the console in Salesforce Classic.

Use workspace API methods from Lightning pages either in the utility bar or in Lightning console app. Here’s how a Lightning console app works:

Lightning Console App User Interface Screen shot of a custom Lightning console app.

The App Launcher (1) lets you switch between apps. To switch to another console app or back to a standard app, use the App Launcher. The name of the app you’re currently in is displayed next to the App Launcher.
The nav menu (2) displays the nav item you currently have selected. To open the nav menu, click . From there, you can view or edit your nav items. Selecting a nav item opens the nav item’s home page. Objects open in table view . Opening a record changes the view to split view . Once in split view, click the nav item again to switch back to table view, or use the Display as dropdown.
Records open in workspace tabs, and related records opened from inside a workspace tab open in subtabs (3). You can refresh, pin, customize, and close a tab using the tab menu . You can also open nav items in a new workspace tab by using Ctrl+click or Cmd+click.
The split view panel (4) can be hidden with . Records opened from the split view panel open in new workspace tabs.
The utility bar (5) lets you access common processes and tools like History and Notes.

Salesforce Console Developer Guide