topography
A topograph is a visual representation of the shape and elevation of the land surface, typically shown by contour lines on a map. It provides information about the physical characteristics of a terrain such as mountains, valleys, and slopes. Topographs are valuable tools for understanding and navigating through landscapes.
Topography investigate--(apex)
Topography refers to the study or detailed description of the surface features of a region, including its elevation, shape, and terrain characteristics. It is often depicted on maps using contour lines to show changes in elevation and land features.
You probably mean geography. It means to write about the features of a certain region.From the words geo (γαία) meaning earth,place,land and -graphy from the verb grapho meaning to write things about something.
The dictionary defines topography as:the detailed mapping or charting of the features of a relatively small area, district, or locality.the detailed description, esp. by means of surveying, of particular localities, as cities, towns, or estates.the relief features or surface configuration of an area.
Precise detailed study of the surface features of a region.
the detailed mapping of the configuration and relief features of a region
Geology
Region is the study of lands, features, inhabitants, and phenomena of a particular regions.
Topography is the shape or configuration of the land, its physical features represented on a map by contour lines, hypsometric tints, and relief shading.Topography has several related meanings :Detailed, precise description of a place or region.Graphic representation of the surface features of a place or region on a map, indicating their relative positions and elevations.A description or an analysis of a structured entity, showing the relations among its components: In the topography of the economy, several depressed areas are revealed.The surface features of a place or region.The surface features of an object: The topography of a crystal.The surveying of the features of a place or region.The study or description of an anatomical region or part of the body.
a region is place
Topographic refers to the detailed mapping of the features of a small area, district of locality. Gradient refers to the degree of ascent or descent of an undulating region. In short you would be mapping the undulating features of an area