The club seems to dead to me.
How to make the most use of this club?

It's an online tournament using rapid time controls. It has its own website: https://www.prochessleague.com/
Also, https://en.wikipedia.org/wiki/Professional_Rapid_Online_Chess_League

Ooooh!! Gotcha! Read the wiki page and the website Now it makes a lot more sense! Thank you so much!

Glad I could help!
Yes, if you're looking for something you can participate in, unless you're a very strong player, you're in the wrong place. If you're looking for more open tournaments, you could try looking here, especially in the Individual section: https://www.chess.com/forum/view/community/league-tournament-clubs.
I joined this club just a couple months ago to play in tournaments, get better at chess, and whatnot, but all the links they give, the forums, and the news is really outdated. (all the way from 2018!) I was just wondering if anyone could tell me how to make the most use out of this club with vote chess, matches, and tournaments. But whenever I check, they are never any matches or tournaments that are current and up-to-date. Any help would be appreciated. Thanks in advance!