move around; "transfer the packet from his trouser pockets to a pocket in his jacket"
move very slightly; "He shifted in his seat"
move from one setting or context to another; "shift the emphasis"; "shift one's attention"
move and exchange for another; "shift the date for our class reunion"
move sideways or in an unsteady way; "The ship careened out of control"
move abruptly; "The ship suddenly lurched to the left"
Also rotate, with subtle differences between them. Move the contents of a register bitwise to the left or right.