[ecs] How does ownership work? What is the role of the stride prop in the readme example?

[Mateiadrielrafael]

For context, I have used this lib at a basic level before. I am now writing a wrapper so I can use the library directly from purescript. I noticed a lot of methods, parameters etc related to ownership. I can't find a good explanation in the readme, so if you have some time, could you write down a small explanation of that?

I've also noticed the stride prop here. What does it do & why is it there?