surveying Definition

a branch of applied mathematics that is concerned with determining the area of any portion of the earth's surface, the lengths and directions of the bounding lines, and the contour of the surface and with accurately delineating the whole on paper

to examine as to condition, situation, or value : appraise

to query (someone) in order to collect data for the analysis of some aspect of a group or area

to determine and delineate the form, extent, and position of (such as a tract of land) by taking linear and angular measurements and by applying the principles of geometry and trigonometry