Use it when you offer help in a situation that's stuck or challenging.

Helping Hand

Shows someone is taking charge to manage or correct a situation.

Taking Control

Don't use it for regular involvement, only when a change or fix is needed.

It often implies an unplanned or emergency situation.

It's usually a temporary action until the usual person can return.

It's about the actual action of putting your foot into or on something.

Often used for stepping in something unpleasant by mistake.