GIS Dictionary

[software] In software licensing, the number of simultaneous instances of software that can be used at one time. Most often, […]

[mathematics] A straight line that intersects a curve or surface at two or more points.

A projection whose surface intersects the surface of a globe. A secant conic or cylindrical projection, for example, is recessed

[database structures] The second level of guidelines for designing table and data structures in a relational database. The second-normal-form guideline

[spatial statistics use for geostatistics] In geostatistics, the assumption that a set of data comes from a random process with

[geocoding] All material used as reference data in an address locator beyond the primary reference data. Secondary reference data can

1 [network analysis] The arcs or portions of arcs used to define a route. 2 [cadastral and land records] One

[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