ArcGIS 10.x
	ArcGIS is a system for working with maps and geographic informations. It is used for: creating and using maps; compiling geographic data; analyzing mapped information; sharing and discovering geographic information; using maps and geographic information in a range of applications; and managing geographic information in a database.
Manufacturer	Esri
Screenshot
Entities	Here we will list all the Entities.
Interfaces	Here we will list all the Interfaces.
Methods	Here we will list all the Methods.

Here we'll do a general introduction and description of ArcGIS!

Resources

GSD GIS Manual

A comprehensive guide to GIS, authored by Paul Cote at Harvard's Graduate School of Design.

Spatial Analysis UK

Some truly inspiring diagrams and maps created using GIS software.