Does Gboard remember what is said? I was using Gboard to write a message (with the microphone message). I said something rude I don't want it to save or repeat in predictions. Does Gboard save what is said anywhere, and if so how do I delete it?

I know some phrases you say to your phone do get stored in your Google Account, but I think this is mainly with "ok google".

By the way, on my phone it's called "Gboard" not Google Keyboard.
Yes, at the end of every mic message the keyboard make a toast appears that says 


  Audio saved to your account