Definition of launchpad. : a nonflammable platform from which a rocket, launch vehicle, or guided missile can be launched.
Terrain is defined as the specific physical features of an area of land. An example of terrain is a rocky and jagged coastline. ground or a tract of ground, esp. with regard to its natural or topographical features or fitness for some use.
topography - the configuration of a surface and the relations among its man-made and natural features. 1  shape, configuration, conformation, contour, form - any spatial attributes (especially as defined by outline); he could barely make out their shapes.