what is ...?

Cartography
Cartography or mapmaking is the study and practice of making maps or globes.

Graphics
Graphics are visual presentations on some surface such as a canvas, computer screen or paper to inform, illustrate or entertain.

GIS
A Geographic Information System (GIS) is a system for creating and managing spatial data and associated attributes. It is a computer system capable of integrating, storing, editing, analysing and displaying geographically-referenced information.