The phrase "said your piece" means to have expressed your opinion or thoughts fully on a subject.
Here's how it works:
* Piece: In this context, "piece" refers to a portion or part of something, specifically referring to your share of the conversation or discussion.
* Peace: This word refers to a state of tranquility or harmony.
Therefore, the sentence "You have said your piece" means that you have shared your thoughts and opinions on the matter.