GIS Dictionary

[ESRI software] The attribute table for the section feature class in a coverage, containing the route number and arc number […]

[ESRI software] In ArcGIS, a geometric element from which paths are constructed. A segment consists of a start point, an

[data analysis] To choose from a number or group of features or records; to create a separate set or subset.

[ESRI software] Layers from which features can be selected in ArcMap with the interactive selection tools. Selectable layers can be

[ESRI software] A subset of features in a layer, or records in a table, that is chosen by the software

[ESRI software] A subset of the features in a layer or records in a table. ArcMap provides several ways to

[ESRI software] In an ArcMap editing session, a small “x” located in the center of selected features. The selection anchor

[ESRI software] An ArcInfo Workstation file that stores the specifications of the selection criteria to be applied against specific coverages

[GPS] The intentional degradation by the U.S. Department of Defense of the GPS signal for civilian receivers, which could cause

[data models] The definition of the meaning of concepts within a data model by their relationships to other concepts.

[geodesy] The equatorial radius of a spheroid, often referred to as “a.”