mechanics
[C/U] Both
This word carries a strong sense of the tangible and the structural. It refers to the gears, levers, and logic that make a system function. When used in a technical sense, it evokes a feeling of precision, lubrication, and physical connectivity, focusing on how parts interact to produce a result. In a non-physical context, such as storytelling or gaming, it describes the invisible framework that governs behavior. It is distinct from theory or philosophy because it focuses on the how rather than the why, emphasizing the execution and the operational flow of a process.
Countable when referring to the professionals who fix cars. Uncountable when referring to the branch of physics or the operational rules of a system.