Surveyors are professionals who are skilled in measuring and mapping out land, determining property boundaries and elevations, and providing accurate descriptions of land features. Synonyms for the word "surveyors" include land analysts, mapping specialists, geomatics engineers, topographers, cartographers, and spatial analysts. Land analysts study the physical features of a given area and give practical advice on how to develop it. Mapping specialists are experts in creating maps for various purposes, from urban development to environmental monitoring. Geomatics engineers use advanced technologies such as Global Positioning Systems (GPS) to create precise maps and surveys. Topographers measure the height of the land to determine elevations, while cartographers create maps of all sorts. Finally, spatial analysts study the geographic and demographic aspects of a given area to inform policy decisions and development.