Option 1: Select Isolate from Edit pull down menu.
Option 2: Right click blank area and choose Isolate from context menu.
Option 3: Use key shortcut Cmd + Shift + I (Mac) or Ctrl + Shift + I (Win).
Note, you can assign your own key shortcuts in Key Shortcuts Manager from Edit pull down menu.
To Reveal choose one of the three methods:
Option 1: Select Reveal from Edit pull down menu.
Option 2: Right click blank area and choose Reveal from context menu.
Option 3: Use key shortcut Cmd + Shift + R (Mac) or Ctrl + Shift + R (Win).
Note that although Isolate can be used multiple times to reduce the number of workable objects, Reveal only needs to be used once to display all of the objects.
