When you purchase a product for a particular service, you buy it.

A person helping you to your seat in a darkened theatre is called the usher.

A type of fastener using a pin or bolt through a loop is called a toggle.

To go shopping with no care of price or amount would be called a spree.

The special application of brackets surrounding part of a mathematical equation is called parenthesis.

A non-caring doodle on paper is called a scribble.

When you follow instructions, you abide by them.

When you are paid a certain salary for your services, this is your wage.

In several types of games, if one opponent has scored while another has not, this is called a shutout.

A specialized sheet of paper to perform calculations in rough is called a worksheet.