Online. Clue Properties Page Published on Monday, June 30, 1997 by Gideon Ariel Variable Description Parameter Parameter Requirements Description Displacement 1 point Displacement of a single point Position 1 point Position of a single point Velocity 1 point Speed of a single point Acceleration 1 point Acceleration of a single point Projection angle 1 point Projection angle of a single point Distance 1 segment, or 2 points Distance between two points. Angle 2 segments, or 4 points, or 1 segment and 2 points, or 1 segment and a reference vector, or 2 points and a reference vector Angle between two segments. Angular velocity 2 segments, or 4 points, or 1 segment and 2 points, or 1 segment and a reference vector, or 2 points and a reference vector Angular velocity between two segments. Angular acceleration 2 segments, or 4 points, or 1 segment and 2 points, or 1 segment and a reference vector, or 2 points and a reference vector Angular acceleration between two segments. Component Component Description X Value on X-axis Y Value on Y-axis Z Value on Z-axis All Combined value in 3 dimensions Points 1 - 4 points Segments 1 or 2 segments Reference vectors Reference vector and an optional look at vector Reference: /wizard/manual/general/include.clue.html