| Term | Definition |
| GIS | geographic information system; computer-based tool for mapping & analyzing things that exist and events that happen |
| capabilities of GIS (3) | create maps, integrate information, visualize scenarios, solve problems, present ideas, develop effective solutions |
| five components of GIS | people, data, analysis, hardware, software |
| GIS functions | people capture/store/manipulate/analyze/visualize data using hardware, software and procedures |
| data sources | orthophotos/survey maps -> base maps -> digital maps or image processing -> digital maps; digital maps + survey census = gis |
| how does a GIS work? | information about the world is stored as a collection of layers that can be linked together by geography |
| map | graphic representation of the earth's surface or a part of it, conveys spatial relationship between map features, conveys info easily |
| benefits of GIS (4) | provide decision support, increase efficiency, improve accuracy, generate revenue, save money, save time, manage resources, automate tasks |