An enclosure or barrier made of wire, rails, slats or other relatively light material, as opposed to a wall which is of stone or other heavy material
Data Dictionary for fence_cl: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-fence_cl.html
This layer is a component of the Topo50 map series. The Topo50 map series provides topographic mapping for the New Zealand mainland, Chatham and New Zealand's offshore islands, at 1:50,000 scale.
Further information on Topo50:
http://www.linz.govt.nz/topography/topo-maps/topo50