#adjoining

• Adjacent — Lying near, close, or contiguous; adjoining, neighboring, or situated immediately next to something; in geometry, it describes a structural element that shares a common boundary with another (such as adjacent angles, which have a common vertex and a common side, or adjacent sides of a polygon). This term is essential for defining spatial proximity and topological relationships.
• Adjacent — Located in the immediate vicinity, directly neighboring, or attached to something; in geometry, it describes angles that share a common vertex and a common side, lying on opposite sides of that common side. In a general sense, it refers to administrative, structural, or territorial elements that share a common border or are directly connected in a network.