How would you describe an athletic build?

Ive been told alot that i have an athletic build. but idont excersise like that. im in my early teens, i have thick legs, hips arent that wide but expand some, and im kinda busty for 13 (so ive been told). im not skinny in average in the stomach area. thanks to all answers in advance, ive looked eveywhere on the net nd havent found much. muchas gracias.