a survey depicting the surface elevations of a property by the use of contour lines. A topo is useful in estimating costs of developing a property, such as the grading and cutting costs
A map of routes and their names.
Abbreviation for topography/topographical map. This is a drawing or photo usually accompanied by a description of the route. It depicts the line the climb takes, bolts (if there are any), belay stations (if it's multiple pitches) and some prominent features, such as shrubs or flakes.
A sketch of a route showing its line, bolt placements, belay stances, crux and rating.
A topo is a guide for a crag or climbing area. It gives details of the grade of each of the climb. It includes the length of the climbs and most importantly how to get to the area of the climbs, and where exactly each climb starts.