The 2nd part of this is the same as the 1st, but instead using numbers rather than shapes.

Color, shape, and size are used as tools to direct eye movement.

The design was a modification of the shape used by the British military.

The shape is used in the company's new barbecue brush, too.

The problem may disappear when more realistic shapes are used, company officials said.

The shape of a speech balloon can be used to convey further information.

Usually different shapes are used in the same load to reach into every geometry of the part.

Their shape can be used to determine the direction of the shear.

The area does not have a particular shape so any shape can be used.

I supposed that the colored shapes were used as some sort of identification.