Roleplaying is verbal communication. Sure, you can have your maps, minis, diaramas, your sketches, screen shares and printouts. These are all vehicles that can only be animated verbally and translated into the theatre of the mind, the arena and destination for role playing.
So words are important. The words you use when you play and the words you use when you think about how you play.
I bring to your attention; the Glossary You can use it as a guide to help you find your way to the arena. Gathered and corralled by Tadhg Kelly, legendary video game designer and writer. Check it out and learn from the best.