the span of a hand, the distance between the little finger and thumb

fan (hand)

to fan (by hand)

elsewhere, somewhere else, on the other hand

hand (from wrist to finger-tips), claw

forearm; butt/stock (on a rifle)

hand, forearm, force

to prevent, hinder, detain, seize, put in trouble, force, compel

security, police force

by force

by force

by force, roughly