The field measurements (e.g., land survey) that determine the physical locations of boundary markers of cadastral parcels.

surveying a boundary following a delineated route and erecting physical markers or pillars on the land.

the boundary of a specific area

Defines the point at which ownership or responsibility for operating and maintaining facilities passes from one party to another. It can be a discrete physical device such as a jack or a virtual location such as the main telephone room.

the marking-out of the boundaries of each land parcel on the ground.

Demarcation is the act of creating a boundary around a place or thing. For example, a new country must demarcate their borders to define the physical location of the country. One such case is Eritrea, which gained independence from Ethiopia in 1993.