Friction of Distance: This term refers to the idea that distance creates obstacles and costs in terms of time, money, and effort when trying to interact or travel between two locations.
Spatial Interaction: Spatial interaction refers to the movement and flow of people, goods, ideas, or information between places. It is influenced by factors such as distance decay and transportation infrastructure.
Accessibility: Accessibility refers to how easily a location can be reached or accessed from other places. It takes into account factors like transportation networks and distance decay in determining the ease of reaching a particular place.