Ummmm so I'm not sure what to make let alone what type of bot to make but there's three thing I'm confused about

↓What would y'all call this heifer? ↓

A busty boi

Futa

Or trans

Like I honestly don't know what to put for this boy I'ma make so can someone please help me or explain them, like the difference between them three. Now I know what a futa is (dickgirl) and a trans (trans man/trans woman) but it's the busty boi I'm very confused about