Using Arrow Keys to Move the Playhead

Keyboard shortcut
Function
ArrowUpUp Arrow
Moves the playhead to the previous edit.
ArrowDownDown Arrow
Moves the playhead to the next edit.
OptionArrowUpOption-Up Arrow
Moves the playhead to the previous edit on the selected track.
OptionArrowDownOption-Down Arrow
Moves the playhead to the next edit on the selected track.
OptionArrowLeftOption-Left Arrow
Moves the playhead one gridline to the left.
OptionArrowRightOption-Right Arrow
Moves the playhead one gridline to the right.
ArrowLeftLeft Arrow
Moves the playhead backward by the current nudge amount.
ArrowRightRight Arrow
Moves the playhead forward by the current nudge amount.