Won't call it a fancy word but its a definitely an activity
Where you are learn something that is usually upon the veil of common learning
Common folks may understand the surface but why you are learning us something beyond common folks understanding

Example ppl may know the functions of common speaker setup with this cable goes here and there but you are literally looking into voltage and amp frequency and dc power input and tuning adjustments that even common folks like have no slightest of idea of what you are doing with the screw tuning it up and down and adjusting volume dial