Editing Line (geometry) (section)

===Line segment===
{{main|Line segment}}
[[File:Adcinak.svg|alt=see caption|thumb|Drawing of a line segment "AB" on the line "a"]]
A [[line segment]] is a part of a line that is bounded by two distinct end points and contains every point on the line between its end points. Depending on how the line segment is defined, either of the two end points may or may not be part of the line segment. Two or more line segments may have some of the same relationships as lines, such as being parallel, intersecting, or skew, but unlike lines they may be none of these, if they are [[coplanar]] and either do not intersect or are [[collinearity|collinear]].