What kind of nails do I get?

HERE WE GO. Im about to sound like a complete idiot but I am so clueless with nails and manicures.

I always bite my nails and so a month and a half ago I got fake nails to give my nails a chance to grow and me to learn NOT TO BITE THEM SILLY!

SO i believe the type of nail I get is acrylic nails with shellac polish.... does that make sense?

First they file clean and shave down my nail and glue on plastic tips...then its the powder and water thing with a paint brush? I dont know proper terminology. And then its the nail polish which I always get shellac so it stays longer. then it goes under a hot blue light?

All I want is a refill of these but people always laugh because I dont understand😂

hopefully you feel bad enough for me to help.