AlthoughOne low coupling is a desirable goal, and this goal provides useful guidance, the description of the pattern does not tell howmeasure to actually achieveachive low-coupleddesign in most cases.coupling is [[Functionalfunctional design]]: it limits the responsibilities of modules. Modules with single responsibilities usually need to communicate less with other modules, and this has the virtuous side-effect of reducing coupling and increasing cohesion in many cases.
