Meaning of the word "sign on the dotted line" in English

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

sign on the dotted line

US /saɪn ɑn ðə ˈdɑtɪd laɪn/
UK /saɪn ɒn ðə ˈdɒtɪd laɪn/
"sign on the dotted line" picture

Idiom

to formally agree to something by signing a document

Example:
After much negotiation, he finally agreed to sign on the dotted line.
Are you ready to sign on the dotted line and commit to this project?