Vertical direction

Okay kiddo, so imagine you are standing on the ground and you want to go up in the air. That's called the vertical direction because it's going straight up and down, kind of like the letter "I".

Now, things can also move in the opposite direction, from high to low, like when you jump off a swing or slide down a slide. That's still the vertical direction because it's going straight up and down, only it's going down instead of up.

In general, the vertical direction is very important in things like physics and engineering because it helps us understand how things move and interact with each other when they are going straight up and down. So if you want to study how a rocket goes into space or how a roller coaster works, you need to know all about the vertical direction!

Does that make sense to you?