It's just a server called a relay.

One shouldn't hit their opponent in the head with the baton. https://www.nbcnews.com/news/us-news/high-school-track-athlete-facing-battery-charge-viral-video-competitor-rcna196226

The 800m relay is real

You want me to relay information to you by relaying information to you. You want me to tell you what I know, so you can then update your knowledge and tell people what you know. Relays are no different in this sense. They retain information, update it, and share what they know with peers. The ...

Your notes sticky to them like a post-it. That's about all I know. 💁