Grasses, technically members of the family Poaceae (also called Gramineae), are monocotyledonous, usually herbaceous plants with narrow leaves growing from the base. Grasses include cereals, bamboo and the grasses of lawns (turf) and grassland.

Geographic Resources Analysis Support System (commonly termed GRASS GIS) is a geographic information system (GIS) software suite used for geospatial data management and analysis, image processing, producing graphics and maps, spatial and temporal modeling, and visualizing. It can handle raster, topological vector, image processing, and graphic data.