The Power of the Map | Esri Insider | Open Geographic Information Systems |

Maps mean different things to different people.  So what is a map?

My definition is simple: a map is an answer to a question.

There are three basic kinds of maps that answer three basic types of questions:

The Location map answers the question, “Where am I?”The Navigation map answers the question, “How do I get there?”The Spatial Relationships map answers the question “How are these things related?”