That fence is the boundary between our property and our neighbor's property.
Their favorite ski hill is located on the boundary between the two cities.
She crossed his boundary daringly.
The man crossed the boundary, therefore he was disqualified.
Never cross the boundary. Boundaries are important for schools. This is the boundary between the U.S. and Canada.
A boundary is a restriction, a line of demarkation. That fence is the boundary between our property. The ball went outside of the boundary.
A boundary is a dividing line that separates one area from another.
"I had the surveyor mark the boundary of my property before I started to build my house."
Set your fence boundary at least five feet inside of your neighbor's border.
Often, a divergent boundary within a continent will produce rifts, which will produce rift valleys. A divergent boundary may also be referred to as an extensional boundary, a constructive boundary, or a divergent plate boundary.
Your question is itself a sentence which uses the word "could".
I am at the boundary of the field.
The Line of Control is the boundary line between two countries in a disputed area. The boundary of the territory was changed to the newer path of the river.
The word could be border, boundary, edge, periphery, or purlieu.