Watch the stroke order, then trace it yourself.

A person (人) under a cover (龴) — representing order or logical arrangement.

gallon (unit of volume)
coulomb (unit of electric charge)
Kunlun Mountains
The coulomb is the unit of electric charge in physics.
The Kunlun Mountains are an important mountain range in western China.
This car's fuel tank capacity is about fifteen gallons.
Explore characters by relationship
Characters pronounced "lun".
Characters with radical "人".