Informally, a line segment is a set of all points between any two given points. A line segment is a part of a line that is bounded by two points on the line, called its endpoints. Ad blocker interference detected! Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected. Categories: Geometry