land line

In the UK Land-Line is a comprehensive dataset, provided by Ordnance Survey, depicting man-made and natural features ranging from houses, factories, roads and rivers to marshland and administrative boundaries. Land-Line is a vector format (compare with DXF).

A landline telephone (also known as land line, land-line, main line, home phone, landline, fixed-line, and wireline) refers to a phone that uses a metal wire or fibre optic telephone line  for transmission as distinguished from a mobile cellular line, which uses radio waves for transmission.