Basic Geometry Definition JM

Defining some basic terms and phrases regarding geomtry
STUDY
PLAY
Point
An infinitessimal location on a plane
Line
A collection of points travelling in both directions to infinity
Vertex
The meeting point of two line, the point of intersection of lines or the point opposite the base of a figure
Ray
(mathematics) a straight line extending from a point
angle
The rotation of one line away from another