The following general buttons are available for each tab bar.
Save: Saves your changes in the database.
Undo: Undoes editing steps.
Redo: Redoes editing steps that were undone.
Refresh: Refreshes the display. Reloads the data from the database and thereby also shows any changes made by a different editor in the meantime.
Delete: Deletes selected model items.
Cut: Cuts selected items and saves them to the clipboard.
Copy: Copies selected items to the clipboard.
Paste: Pastes the content of the clipboard into the model. If an object is on the clipboard, an occurrence copy is inserted. Click the arrow next to the Paste icon if you want to paste a definition copy.