Concept:Farm surveying is the practice of measuring and mapping the size, position, and boundaries of a farmland.
Explanation:The action described in the question directly defines farm surveying.
It involves taking accurate measurements of the land and recording its shape and limits.
Farm layout refers to arranging structures or plots on the farm.
Farm business deals with managing finances and production.
Farm tillage concerns preparing the soil for planting crops.
Therefore, the correct term that matches the given definition is farm surveying.
Answer:C. surveying