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.
Definition of topography. 1  1a : the art or practice of graphic delineation in detail usually on maps or charts of natural and man-made features of a place or region especially in a way to show their relative positions and elevationsb : topographical surveying.