Discourse or Debate or Discord - The Sum Total of All Confusion

Frankly, I'm getting tired of having to explain myself whenever I write something to someone on the internet. In addition, I tire of trying to excuse my sarcasm when it comes to personal interaction. If I have to accept other people for their "diversity," then why do I have to constantly explain my "diversity?" Let's look at what gets everyone in some sort of trouble, the difference between discourse, discord and debate.