Routes are the smallest areas of land in the game that make up the Regions and Domains, each Route will be inhabited by a Family of Monsters indicated at the top of the map. The Family Monsters of the four adjacent Routes also has a smaller chance of being encountered. The circle icon at the top right of the map tells you how many monsters of the Route has been acquired by the black lines around it. The Legendary of the Route has the possibility of showing up after all the Family has been acquired, once the Legendary is caught there will be a gold curve on the top of the circle, completing the circle.