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| . Computer software used in producing technical and design-type drawings. |
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| The logical means of organization of data for use in an information system. |
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| Part of a GIS, the set of tools that allow the manipulation and use of files containing attribute data. |
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| A single cell in a rectangular grid. |
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| set of digital map features collectively (points, lines, and areas) with a common theme in coregistration with other layers. |
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| The smallest unit of resolution on a display, often used to display one grid cell at the highest display resolution. |
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| A many-sided area feature consisting of a ring and an interior. An example is a lake on a map. |
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| A way of compressing raster data based on eliminating redundancy for attributes within quadrants of a grid. |
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| A way of compressing raster data based on eliminating redundancy for attributes within quadrants of a grid. |
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| Very small and narrow polygon caused by data capture or overlay error that does not exist on the map |
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| Forcing two or more points within a given radius of each other to be the same point, often by averaging their coordinate. |
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| The property that describes adjacency and connectivity of features. A topological data structure encodes topology with the geocoded features |
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| : The status of a digital vector map when all arcs that should be connected are connected at nodes with identical coordinates, and the polygons formed by connected arcs have no duplicate, disconnected, or missing arcs. |
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