Welcome here, OP (
Original
Post(er); double meaning), you don't need to rush it and there's no obligation to understand the forum first day you registered, nor do you need to post immediately. But hey, you might feel some excitement, that's fine.
Did you not see the sticky post from Lauda right in this Beginners & Help section?
Newbies - Read before postingYou got links for forum rules, netiquette and more. Try not to break forum rules, that's probably the first thing to grasp and understand. Rules may be a boring thing, but in such a forum they are a necessity or we'll drain in chaos, spam and worse.
To learn about Bitcoin, I recommend
https://learnmeabitcoin.com, it's fun, it's interactive here and there and the creator Greg deserves a coffee or beer for his awesome Bitcoin treasure trove.
A lot of topics have already been covered in various places of this forum. The difficulty lies in finding the right spots, threads and posts. You can search this forum nicely and with good performance at
https://ninjastic.space, I prefer this over the forum's in-built search function.
Take your time to get to know this forum better. Read, read, read... we can't read and understand for you, it's that simple.