How do factors such as remoteness and population density affect the lives of island communities? People and places -Physical geography - Islands Learning Points Population density is used to count the number of people in an area. Islands that are far away from other landmasses are said to be remote. A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes – directly linked to core learning, Twig's curriculum films will fit neatly into your lesson plans.