What is a GIS? - Definitions
GIS: "Automated systems for the capture, storage, retrieval,
analysis, and display of spatial data
Spatial Data:Data that can be linked to locations in geographic
space, usually via features on a map
Feature: A single entity that composes part of a landscape, like
a point, line, or polygon.
Attribute: A characteristic (piece of data) of a feature that contains
a measurement or value for the feature - a column in a data file.