The general term used to signify the range of tightness or looseness resulting from the application of a specific combination of allowances and tolerances in the design of mating parts is ____________________.

Allowances

The intentional difference between the maximum material limits of mating parts to ensure a certain type of fit.

Tolerances

The permissible limits or variations in dimensions, properties, or conditions of an object or system, allowing for proper function without exact precision.

Tightness

The quality or state of being fixed or secure, often referring to the absence of unwanted movement between parts.