What does discreet mean?

Answer 1

I think discreet means judicious in one's conduct or speech. Yes, it does.
careful and prudent in one's speech or actions, especially in order to keep something confidential or to avoid embarrassment: we made some discreet inquiries.

• intentionally unobtrusive: a discreet cough.
It means to be able to judge how to speak or act properly (in a socially acceptable way) in certain situations, or act in order to go unnoticed.

Answer 2

Discreet means being careful and intentional in one's actions to avoid drawing attention to oneself or causing embarrassment. It can also refer to being cautious and reserved in sharing confidential or sensitive information.