mechanics

(noun) the branch of physics concerned with the motion of bodies in a frame of reference.

(noun) the technical aspects of doing something. Synonyms: mechanism. Examples: "A mechanism of social control." "Mechanisms of communication." "The mechanics of prose style."

(noun) a craftsman skilled in operating machine tools. Synonyms: machinist, mechanic, shop mechanic.

(noun) someone whose occupation is repairing and maintaining automobiles. Synonyms: automobile mechanic, auto-mechanic, car-mechanic, mechanic, grease monkey.