What is Kinematics?

References: Intro. To Kinematics - PhysicsHigh https://www.youtube.com/watch?v=198u1x8TBTo Kinematics in the Oxford Dictionary https://www.google.com/search?q=kinematics&rlz=1CAZKSY_enUS959US959&oq=kinematics&aqs=chrome.0.69i59j69i57j69i59j0i271j69i60l3j69i65.1067j0j7&sourceid=chrome&ie=UTF-8 Kinematics - Wikipedia https://en.wikipedia.org/wiki/Kinematics Direction Cosine - Wikipedia https://en.wikipedia.org/wiki/Direction_cosine Unit Vector - Wikipedia https://en.wikipedia.org/wiki/Unit_vector Coordinate Vector - Wikipedia https://en.wikipedia.org/wiki/Coordinate_vector Position vs. (and) Displacement - cK-12 https://flexbooks.ck12.org/cbook/ck-12-physics-flexbook-2.0/section/2.1/primary/lesson/position-and-displacement-phys Position Vector - Story of Mathematics https://www.storyofmathematics.com/position-vector Holonomic Constraint - Wikipedia https://en.wikipedia.org/wiki/Holonomic_system Non-Holonomic Constraint - Wikipedia https://en.wikipedia.org/wiki/Non-holonomic_system Kinematic Coupling - Wikipedia https://en.wikipedia.org/wiki/Kinematic_coupling Cross Product - Wikipedia https://en.wikipedia.org/wiki/Cross_product Kinematic Pair - Wikipedia https://en.wikipedia.org/wiki/Kinematic_pair Kinematic Chain - Wikipedia https://en.wikipedia.org/wiki/Kinematic_chain