Many types. Each man has different tastes and needs depending upon his background, personal exposure, dating history, etc. There are virtually an infinite variety of women with different body types, differing intelligence, personality differences etc. And there are many different types of men. Mostly those with marriage in mind can find the right partner for them.
Individual choice. Different men have different preferences in women, at different times in their lives too. Less complicated to be the kind of person you naturally are, and enjoy meeting the men who come into your life. Get to know them, & see if you would want to marry them. Authenticity is the best way to start a relationship that lasts, and that might evolve into marriage.