May you guys help me understand "rectangular prism"?

I read and read, but I still don't understand it.
Please, thanks.

5 answers

Is there anything specific that you don't understand about it?

A rectangular prism is basically like a cube, except all of the sides can be rectangles.
Common name: a box
As you can see in this web site, a rectangular prism is a box -- like a tissue box, or cereal box.

https://www.mathsisfun.com/definitions/rectangular-prism.html
rectangular prism is box with 6 faces
where the surface area is a=2((width*height)+(length*width) +(length*height))
and the volume is v=Lenght*width*height
Okay, thank you.