• Point on a line
• Point on a shape point
• Point on circle perimeter
• Point on intersection of lines
• Point on intersection of circles
• Point on intersection of a line and circle
• Line perpendicular to a line
• Line parallel to a line
• Tangent line to a circle
• Circle perimeter on a point

Chains of child-parent attachments can be created to make more complex associations. For example, lines and circles can be used to create an interactive circumcenter circle around a triangle that moves when any of the points of the triangle are moved.