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