On the top right corner of your dialog box, you'll find "markup tips." That's a hot sheet that'll show you how to quote, shout out, insert hyperlinks, link tags, and stylize your text.
Dude, if those are your interests, you're in a pretty good place. We have another recent member, historyarch, who has made some pretty interesting history threads. The musical tastes of people on this website are varied and fascinating, so totally dive into bfv's weekly music threads. This place is full of creative types, from writers to painters to musicians.
Don't be a stranger. Fucking pop around and dive into conversations. Every now and again you'll notice some of us have a bit of an edge in our comments, but we're all actually pretty damn open and inviting. Also, if you see an old conversation that interests you, don't be afraid to contribute, even if it is a few years old. Thread necromancy, while not a common art here, is openly allowed.