This forum teaches you how to use tone tags!
Not everyone will use tone tags, but some people need them or prefer them! So if you're a bit stuck or need help, here is a guide on how to use them, when it's appropriate, and what they mean!
/j: Joking
/hj: Half-joking
/s or /sarc: Sarcastic / Sarcasm
/lh: Light-hearted
/t: Teasing
/ij: Inside joke
/srs: Serious
/nsrs: Not serious
/gen or /g: Genuine / Genuine question
/ref: Reference to something
/c: Copypasta (copied-and-pasted text)
/f: Fake / Satirical claim
/li: Literal / Literally
/hyp: Hyperbole / Exaggeration
/rt or /rh: Rhetorical question
/nm: Not mad
/lu: A little upset
/p: Platonic
/r: Romantic
/a: Altruous (non-platonic, non-romantic attraction/intent)
/sx or /x: Sexual intent
/nsx or /ns: Non-sexual intent
/pos or /pc: Positive connotation
/neg or /nc: Negative connotation
/neu: Neutral connotation
/nf: Not forced (no pressure)
/nbr: Not being rude
/th: Threat (often used hyperbolically)
/cb: Clickbait
Not all of these may be used, as some are more popular than others, but this list is to help you know what to look out for.
So now that you know a bit more about tone tags, have fun!
Also remember that you don't HAVE to use these. Tone tags are a personal preference for most!