The district's irregular boundary follows primarily lot lines and streets.
The biosphere may also be divided into ecozones, which are very well defined today and primarily follow the continental borders.
Route 580 primarily follows the Wailua River as the road increases in elevation.
Beowulf as a poem primarily follows the exploits of its eponymous hero.
Railroad development primarily followed a monopoly model of development for the entire first half of the 19th century.
Although primarily following the alignment of US 60 in this area, traffic relief for other roadways was also anticipated.
The journey to base camp primarily followed the route used in 1921.
Instead, it primarily follows three residents of Detroit in various situations around the city, circa 2010.
The first series primarily follows James Adams, an adolescent who is later joined by his sister Lauren when their mother died.
The show primarily follows the daily lives of bush pilots that fly to and from various small rural villages throughout Alaska.