In computer science, variables are the system for storing, labeling, and retrieving information programmatically. Where information is stored and how it is labeled is important. These distinctions determine which actions can be taken with the information, such as changing the color of text or retouching an image. This book demonstrates how we organize information and objects in our daily lives and how these real-world examples can shed light on how computer programs work.

A closer look at variables -- Variables in everyday life -- Bringing it all together.