Meaning of the word "be in charge of" in English

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

be in charge of

US /biː ɪn tʃɑːrdʒ əv/
UK /bi ɪn tʃɑːdʒ ɒv/
"be in charge of" picture

Idiom

to be responsible for something or someone

Example:
She will be in charge of the new project.
Who is in charge of security here?