So you know a drop of water. Yeah, that small drop of water on that leaf.

Well, if that drop of water fell.

It would land in the river. And if it lands in the river.

It will flow down the river. And if it flows down the river.

That drop will reach the end of the river. And if that drop reaches the end of the river.

It will land in the ocean. And if it lands in the ocean.

It will be exposed to the hot sun, and evaporate. And if it evaporates.