On the Outline view, it provides commands for editing the document:

• “Undo” and “Redo” to reverse and restore changes in the file.
• “Delete” removes the selection from the document
• The “Insert” operations are only available when valid in the selected area and offer quick access to often used elements
• The “Clone” command duplicates the selected element with default initial values
• To save your changes, click “Save” on the bottom of the context menu. This button is disabled when no saves have been made since the last save.