To examine the  top layer of something is to skim the surface of understanding. 

A special reason for performing an action is your motive.

To abruptly change your direction to avoid an accident is to swerve.

The use of special ropes attached to a boat is to rig the boat to its port.

Praying and your devotion to God is how you worship it.

Your body's proportion of its parts is called your physique.

A brief and forceful explosion of liquid or powder is called a spurt. 

While looking at many things you may have to overlook one of them.

When you agree to a defeat of battle or a game is to concede it.

A person specializing in the cutting of meat for food is called a butcher.