depends on what its referring to..in what context..but a boundary is the limits ...a personal boundary is where someone draws the line and wont let something or someone pass that line..ie you canNOT callme past 9pm... another boundary is the "your boundaries is the block-you are able to go around the block but that is it"
does that help?
Convergent boundry
the boundry formed by the collision of 2 lithosphere plates
The Nubian/African boundry and the Somalian boundry
Boundry line Atlantic and gulf of mexico
it is on the poo boundry becaue it farts and smells like sulphur (rotten eggs)
its sovereignity
Transform boundarys are also called strike-slip faults. The only transform boundry is in California.
Mississippi
The Caucasus Mountains.
maryland
Border or boundry
A country border.