definition of
digression

[1] #1 digression n. [aside, excursus, divagation, parenthesis] a message that departs from the main subject. wn

[2] #2 digression n. [diversion, deviation, deflection, deflexion, divagation] a turning aside (of your course or attention or concern); "a diversion from the main highway"; "a digression into irrelevant details"; "a deflection from his goal". wn

[3] #3 digression n. [excursion] wandering from the main path of a journey. wn