Meaning/Usage: Agreeing on a proposal
Explanation: Commonly used by itself when agreeing to a proposal made by someone.
"So if I take the kids to swim lessons, you will clean the house? It's a deal!"
"It's a deal. I will clean the garage if you stop bothering me about it."
"If I stop eating donuts, I don't have to run every day? It's a deal!"
A. "If you do my yard work, I will buy you candy."
B. "No thanks. I shouldn't eat too much candy."
A. "If you mow my grass, I will pay you ten dollars."
B. "Sounds good. It's a deal."
Other Common Sentences
"I agree to your proposal."
"Let's agree to that."