It marks a location and is named by a capital letter; it has no thickness and 0 dimension.
An infinite set of points that goes on forever; it has no thickness and it is one dimensional.
A flat surface that goes on forever in two directions; an infinite set of points; it has no thickness and is two dimensional.
The set of all points. It is three dimensional.
Points that lie on the same line.
Points that do not lie on the same line.
Points that lie on the same plane.
Points that do not lie on the same plane.
The set of points both figures have in common.
Part of a line consisting of two end points and all the points between them.
Part of a line that starts at a particular point and extends infinitely in one direction.
Two lines that intersect to form right angles.
Lines that do not intersect but are in the same plane.
Lines that are not parallel and do not intersect.
Two rays that share a common endpoint but extends in opposite directions and makes a line.
Segments that have the same length.
A point that divides a segment into two congruent segments.
Marks the end of a line segment or ray.
A line that divides a segment at its midpoint to form two congruent segments.
A line that passes through the midpoint of a segment and is perpendicular to that segment.
Two lines that cross at a given point.