These ligaments are important in that they define the border movements, or in other words, the farthest extents of movements, of the mandible.

We're getting used to the idea that design and art are overlapping territories, with no easily defined borders.

The middle of the riverbed at the time the borders were established was the line to define the borders between cities.

Furthermore, many trading routes that went through the newly defined borders from various parts of the pre-war kingdom were abandoned.

Numerous attempts were made to define the borders, but both governments could not come to an agreement acceptable to their constituencies.