The physical characteristics of thecontour a parcel of land.
Merriam-Webster Online Dictionary
a) 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 elevations
b) surveying - topographical
a) the configuration of a surface including its relief and the position of its natural and man-made features
b) the physical or natural features of an object or entity and their structural relationships - the topography of human chromosomesthe political topography of our time