Four or 4

Four = 4 = 3 + 1 = 2 + 2 = 2² =16^1/2

Four is the number that is One more than Three and is One less than Five.

There are 4 Phases of the Moon.

There are 4 Cardinal Directions for Navigation, or Points of the Compass.

There were 4 Original Elements.

There are 4 seasons each year.

There are 4 sides in a Square and in an Oblong Square.

There are 4 suits in a Deck of Cards perhaps representing the 4 Seasons or perhaps the 4 Original Elements.