variation

There are millions of variations within each, and most are overlapping with others.

There is a trait where most variation does occur between populations, rather than within them.

It can mean variation, intention and agency.

Over generations, fit traits become the dominant variation in a population and can eventually emerge as a new species a group of similar organisms who interbreed with each other and no others.

In other words, that, let's say, the parameters of human psychology are, you know, yes, there's considerable variation, but they're within a certain set of, you know, norms.