Edit Window and Mix Window Keyboard Shortcuts : Editing, Nudging and Trimming

Editing, Nudging and Trimming
In the following shortcuts, the Plus/Minus (+/–) key usage is on the numeric keypad only.
 
Start+Alt+Plus/Minus (+/–) keys
Command+Option+Plus/Minus (+/–) keys
Ctrl+Alt+Plus/Minus (+/–) keys
Nudge back by next Nudge value(Nudge Edit selection and any Clips entirely inside the Edit selection)
Minus (–) key (on numeric keypad), or Comma (,) (in Commands Keyboard Focus)
Minus (–) key (on numeric keypad), or Comma (,) (in Commands Keyboard Focus)
Nudge forward by next Nudge value (Nudge Edit selection and any Clips entirely inside the Edit selection)
Plus (+) key (on numeric keypad), or Period (.) (in Commands Keyboard Focus)
Plus (+) key (on numeric keypad), or Period (.) (in Commands Keyboard Focus)
Nudge start/end data to right/left by Nudge value (keeps underlying audio and moves start/end)
Nudge data within current Clip to right/left by Nudge value (keeps Clip start/end and moves underlying audio)
Option-click selection and drag to destination
Backspace or Delete (on computer keyboard)
Backspace or Delete (on computer keyboard)
Control-click to move audio Clip with Grabber tool
Control-Shift-click Clip containing the sync point with Grabber tool
Start-Shift-click Clip containing the sync point with Grabber tool
Command-Control-click new Clip with Grabber tool