Fun fact: there are over 6 different types of doms in the bdsm world. Dominant and top are two different things and not all doms are sadists and not all submissives are bottoms
Out of curiosity, which six where you thinking of?
Like off the top of my head I can think of kinda 5ish broad motivations for domming:
1. Sadism, obviously.
2. Desire to nurture someone/maternal instinct (mommy)
3. Desire to gain control over someone (brat tamer)
4. Desire to
exercise control over someone (mistress)
5. Desire to please a partner (service dommes, some findommes)
But all of them have a bunch of subtypes and hybrids. Like, pet ownership can very easily be a combination of 2, 3,
and 4. Fortunately it never involves 1, because hurting animals is wrong. Meanwhile, people who are only interested in 3 are massive teases but definitely exist, and a sadist who wants to fuck with your head is quite different from a sadist who wants to kick you in the shins.
And then there are people whose motivations don't really fit into any of those categories.
So I'm really curious how you came to '6'.