What is the correct meaning of the word govern ?

I am not really sure what you’re asking because it has multiple meanings, it depends on context and answer choices, here are all my definitions however for you to use in search of the meaning of the word:

1. Control, influence, or regulate a
Person, action or course of events.

2. Conduct the policy, actions, and affairs of a ( state, organization or people)

3. Conduct (regulate or control) oneself, especially in regard to controlling ones emotions.

4. Serve to decide (in legal terms)