Discipline and punish means that when you do something wrong or bad, you might get punished or disciplined. This can mean that you have to do something you don't like, or you might get a time out or lose something you like for a while.
The idea behind discipline and punish is to make sure you learn not to do bad things again. It helps you understand that there are consequences for your actions, and it helps you make better choices in the future.
Sometimes, discipline and punish can be a little bit scary or uncomfortable, but it's important to remember that it's for your own good. It is done to teach you how to behave and make good choices. Your parents, teachers, or the people in charge just want you to be a good person and do the right thing.