Many editing operations can be carried out by using hotkeys:

Ctrl + N - New

Ctrl + O - Open

Ctrl + S - Save

Ctrl + X - Cut

Ctrl + C - Copy

Ctrl + V - Paste

Delete - Delete

Ctrl + A - Select All

Ctrl + Z - Select Clear

Ctrl + F - Front

Ctrl + B - Back

Ctrl + G - Group

Ctrl + U - Ungroup

Ctrl + E - Edit

Ctrl + J - Justify

Ctrl + D - Grade