• Point definition
• Plane definition
• Coplanar objects
• Equidistant points
• Collinear points
• Vertex
• Point of concurrency
• Locus

Lines

• Line definition
• Line segments
• Congruent line segments
• Rays
• Midpoint of a line segment
• Included side
• Opposite rays
• Parallel lines
• Intersecting lines
• Concurrent lines
• Perpendicular lines
• Horizontal lines
• Vertical lines
• Bisector of a line segment
• Perpendicular Bisector of a line segment