The word "action" is often used to talk about a person who is involved in doing something for a particular purpose. Action is a form of movement, or it’s a thing that a person does.
He’s a man of action. (He likes to do thing and get things done.)
She’s someone who likes to take action. (She likes to get things accomplished.)
Our company took action when it realized it was in trouble.
If you are upset about something, you should take some form of action rather than just complain about it.
A lawsuit against the government or a person is a way to take action.
Legal actions are sometimes necessary in order to solve problems.
A political speech can be a call to action.
Action movies that feature explosions, car chases, and fighting are very popular.
Action figures are toys that are popular among children.
Verbs of action are used to describe what a person does.
Actions speak louder than words. (This is an expression.)
Basketball is a game with a lot of fast-paced action.