There are two different types of shapes like 2D and 3D. 2D shapes are ones that you can’t hold and they are flat. 3D shapes you can hold and pick up.
A parallel shape is a shape where the 2 line don’t meet. A quadrilateral is a shape with four sides like a square or a rectangle.
Fun fact
Did you know that 2D square has a different name in the 3D world? It’s called a cube.