How do you define a "girly girl" or "tomboy"?

How you exactly define a "girly girl" or "tomboy"? Also, how do you call one girl that doesn't fit as any or fit equally both?
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picture to decorate
Because I see many questions about it, but I feel like most girls aren't specially girly or tomboyish, but more mixed. A girl can be very femenine looking and then have a very masculine personality or the other way.

I mean, a girl could wear femine clothes mixed with masculine clothes, she never wear heels or ballerina shoes but always trainers but with dresses and baggy manly jackets but her hair is long and decorated with bows and cute stuff and then her personality... she likes videogames and studies robotic engineering, loves watching football matches but also loves going to theater to enjoy musicals and read romantic stories. Would she be girly or a tomboy?

Anyway, I'd like to see your own thoughts and definitions. Every opinion is welcomed! Thanks in advance 😊
How do you define a "girly girl" or "tomboy"?
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