xgamora: ( she's staring, yellow orbs narrowed into curious slits as she takes in the markings covering most of Jack's exposed flesh ) What is the purpose of this one here?

Jack looked down her arm where Gamora had
pointed, there was a set of faces with smiles and
eccentric hairdos. Her gang sisters had been a very
important part of her life, only to lose them to a pirate
slaughter. She glanced upward at the slender and tall
green woman.
”My sisters, they’re
dead now though.”