Landmarks are either few and far between or difficult to distinguish and impermeable, so legibility depends on sociocultural dimensions, the symbolic significance and meaning imparted to the landscape by the people who traverse it. What Aporta found is that certain routes for traveling across the land become favored over generations, and knowledge of these unmarked trails is passed down from person to person, family to family, community to community, not in the form of maps but as oral descriptions that are memorized.
