Meaning of the word "be based on" in English

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

be based on

US /bi beɪst ɑːn/
UK /bi beɪst ɒn/
"be based on" picture

Phrasal Verb

to use something as the foundation, source, or main idea for something else

Example:
The movie is based on a true story.
His argument was based on false information.