Refers to something physically close enough to reach without moving much.

Physical Proximity

Implies you may need to use something unexpectedly and should keep it within easy reach.

Improvised Use

Indicates the act of giving something directly to another person's hand.

Suggests that the action should be done without delay.

Indicates keeping something in a place where it can be accessed without hassle.

Conveys the idea of being prepared by having what you need easily accessible.

Involves giving someone else the authority or responsibility to do something.

The phrase is often used when responsibility is transferred, signifying a change in who is in charge.