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.
Gradient (disambiguation) The Gradient is the rate of variation of a numerical quantity. It may refer to: Slope or grade, referring to the inclination of a road or other geographic features. Image gradient, a gradual change or blending of color Color gradient. Texture gradient. Spatial gradient.