1.   A barbed wire fence Marks the boundary between the two communities.

2.   After all, written discourse is divided into paragraphs whose boundaries are Marked by indentations.

3.   In January, the teams finally ended their drawn-out discussions with a map that clearly Marks the boundary.

4.   It Marks the boundary of the parish of Langtom Matravers.

5.   Some of the features we have described as Marking paratone boundaries in spoken discourse can, of course, have other functions.

6.   The Bann Marks the boundary between the diocese of Armagh and the diocese of Dromore.

7.   The river Jordan Marks the boundary between Israel and Jordan.

8.   The stream curves round to mark the boundary of his property.

9.   Those two trees mark the boundary of our property.

10.   The mantle-crust boundary is marked by the Mohorovicic discontinuity.