http://learn-share.net/programming-basics-course/
Programming Course. The basics of Programming.
#9 Variables and Data Types
Learn to code.
What is a variable?
A variable is a container. Imagine this. If we writing a game program, we may want to know the current score, the position of the player on the screen, how many life we got left, what image do we use for our player. This is all data. We create variables to hold down all this data.