... Edit menu ...


 The Edit menu  lets you cut or copy and paste measures, for instance, selecting this measure, then choosing copy from the Edit menu (or CTRL C on the keyboard) : :


  ... allows pasting by selecting Paste (or press the CTRL V shortcut). 
The measure is copied after the original one.
The Delete item allows deletion of selected objects, like measure, chords, notes, words or rhythm. 
Here, deletion of a measure asks for a confirmation. 
Note that you can also delete objects simply by pressing the Del key.

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