Idea: Borders

Definition:
border |ˈbôrdər|noun
1 a line separating two political or geographical areas, esp. countries :Iraq's northern border with Turkey | [as adj. ] border patrols.
• a district near such a line : a refugee camp on the border.
2 the edge or boundary of something, or the part near it : the northern border of their distribution area | figurative the unknown regions at the borders of physics and electronics.
3 a band or strip, esp. a decorative one, around the edge of something : put a white border around the picture.• a strip of ground along the edge of a lawn or path for planting flowers or shrubs : the garden borders are planted with perennials.
verb [ trans. ]
form an edge along or beside (something) : a pool bordered by palm trees.
• (of a country or area) be adjacent to (another country or area) : regions bordering Azerbaijan | [ intrans. ] the mountains bordering on Afghanistan.
• [ intrans. ] ( border on) figurative be close to an extreme condition :Sam arrived in a state of excitement bordering on hysteria.
• (usu. be bordered with) provide (something) with a decorative edge :a curving driveway bordered with chrysanthemums.ORIGIN late Middle English : from Old French bordeure; ultimately of Germanic origin and related to board .

The Treriksröset cairnlocated at the only point where Sweden, Norwayand Finland borders meet.

Astronaut photograph of the France-Italy border at night. The south-western end of the Alps Mountains separates the two countries.