Answer #1:
To make a text italic in discord use * before and after your text like this:
If u want to make your text highlighted use ` before and after your text like this and it will appear as shown
If u want to hide or use it as a spoiler use || this before and after your text like this and it will appear as shown
If u want to underline any text use __ this before and after your text and it will appear like this
There is also a thing to change text colour but it can only be seen through pc or laptop, unfortunately i don’t know what keys are to do so, if i get it I’ll edit.