Vector

vector - A representation of the spatial extent of geographic features using geometric elements (such as point, curve, and surface) in a coordinate space.

[Category=Geospatial ]

Source: Open Geospatial Consortium, 11 July 2011 09:56:24, http://www.opengeospatial.org/ogc/glossary

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vector - 

   (1) [data models] A coordinate-based data model that represents geographic features as points, lines, and polygons. Each point feature is represented as a single coordinate pair, while line and polygon features are represented as ordered lists of vertices. Attributes are associated with each vector feature, as opposed to a raster data model, which associates attributes with grid cells.
   (2) [graphics (computing)] Any quantity that has both magnitude and direction.

[Category=Geospatial ]

Source: esri, 26 September 2012 08:58:31, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation