ELI5: Explain Like I'm 5

Water trail

Okay kiddo, have you ever seen a trail before? It's like a path that someone or something leaves behind as they move along. Well, water trail is kind of like that, but with water!

When water is moving, like in a river or a stream, it leaves behind a trail too. You can see the movement of the water and where it has gone because of the pattern it creates. Sometimes the trail can be waves, bubbles, or even foam from the moving water.

People who study water, like scientists and environmentalists, can use these water trails to learn more about the water. They can see where it's going, how fast it's moving, and even what kind of things might be in the water by looking at the shapes and patterns of the trail.

So, water trail is like a trail of breadcrumbs that the water leaves behind as it moves, helping us understand and learn more about the water.