Each sport has its own terminology. As in football and in tennis and other sports. I watched the tennis championship in France the other day. Echoes of some words were heard. For me, they are not clear. But on the court, sportsmen and coaches know what they are talking about.
You can also go to the site https://777score.co.uk/ and watch the games live. It is very exciting
Sorry. that was for volleyball. Look at the next answer.
I don't know sorry lol