Final answer:
An activity space is the correct answer to the question, representing the area where a person engages in their routine activities.
Step-by-step explanation:
The area in which a person moves freely on his or her rounds of regular activity is known as the Activity Space. Therefore, the correct option is D) Activity space. An activity space typically includes the places a person routinely travels to, such as home, work, school, shopping areas, and leisure locations. It differs from a home range, which is a term used more frequently in biology to describe the area an animal uses for food, mating, and shelter. One's activity space is not to be confused with a territory, a term often associated with an area actively defended by an individual or group against others, or a habitat, which refers to the natural environment in which a species lives.