A line is the path of one point that is moving. A line is a type of geometricfigure. A line has length, but no width. A line is made up of an endless number of points.
A line can be straight or curved. In geometry, the word line means a straight line. A straight line is the shortest distance between two points. A straight line is traced by a point moving in a direction that does not change.
A curved line is sometimes called a curve. The edge of a circle is not straight. It is an example of a curve.
Lines can get their names from any two points on the line. For example, if a line contains two different points, named and , then the line can be called either , or .
Sometimes, lines are named with just one symbol. A letter such as might be used.[1][2][3]