Meaning of the word "be governed by" in English

What does "be governed by" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

be governed by

US /bi ˈɡʌvərnd baɪ/
UK /bi ˈɡʌvənd baɪ/

Idiom

to be controlled or determined by something

Example:
All decisions must be governed by the company's ethical guidelines.
The country is governed by a democratic constitution.