Orgasm

Hi. Umm I'm kinda confused atm. Because I literally know nothing much about masturbation but I've seen some tips and tricks that sometimes help me. Like I rub my clit in circles and like if I do it in the right area, I go into like this trance. It feels good kinda?! Like is that normal or am l the only one? Is that what an orgasm is??! I need help lol! ( I'm 15 )