7150. To avoid future complications, the boundary between neighbours should be properly defined.

✅ The correct answer is option B.
Limited : restricted in size, amount, or extent; few, small, or short.

Demarcated : set the boundaries or limits of.

Explained : make (an idea or situation) clear to someone by describing it in more detail or revealing relevant facts.

Interpreted : explain the meaning of (information or actions).

Defined : mark out the boundary or limits of.

Synonym of Defined is Demarcated