Answer:
Mental map
Step-by-step explanation:
Mental maps are a mixture of objective information and subjective perceptions: reliable information of the location of geographical features as well as observations of locations, rough estimates of size and distance and a general sense of the relations between locations. It is a sort of psychological depiction that serves an person to acquire, encrypt, store, remember, and decode information on the relative locations and attributes of phenomena in their daily or literal physical context.
Over time, David found that he could navigate the city without using his GPS because he knew information about sections of the city and had a rough idea of its shape. David must have developed a mental map of the city. This is because he is know more knowledgeable about the directions.