polygonal chain, polygonal curve, polygonal path, piecewise linear curve - that's a lot of names for the same thing. Can we have a lot of references to back them up? (My current interest just happens to coincide with Wiki policy 
) -- Steelpillow 21:48, 3 July 2007 (UTC)[reply]
Mention what type the letter "P" belongs to. (A line that loops back on to itself.) Jidanni (talk) 02:45, 14 June 2019 (UTC)[reply]