A map . is a representation of the earth's surface is a portable document describing an area can provide data such as migration trends, directions, and rock composition provides all of the information about a location.

A map:  is a representation of the earth's surface, is a portable document describing an area and can provide data such as migration trends, directions, and rock composition

Explanation:

A map is the visual representation of a particular area on earth, they are usually used to represent the geography of it and there are many kind of them, they can illustrate many things, roads, topography, economical activities, migration, resources, etc.

I hope you find this information useful and interesting! Good luck!