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The Edit Menu

Edit → Undo (Ctrl+Z)

Undo the last action you performed.

This menu item is not available unless you have unsaved changes to the current scene.

Edit → Redo (Ctrl+Shift+Z)

Redo the last action you undid. This menu item is not available unless you have used Edit → Undo.

Edit → Cut (Ctrl+X)

Cut the currently selected object(s) from the scene, and store them on the clipboard.

Edit → Copy (Ctrl+C)

Copy the currently selected object(s), and store them on the clipboard.

Edit → Paste (Ctrl+V)

Paste the contents of the clipboard.

Edit → Delete (Del)

Delete the currently selected object(s) from the scene.