[duty bound] {adj. phr.} Forced to act by what you believe […]

[duty calls] {n. phr.} One must attend to one's obligations. * […]

[dwell on] or [dwell upon] {v.} To stay on a subject; […]

[dyed-in-the-wool] {adj. phr.} Thoroughly committed; inveterate; unchanging. * /He is a […]

[dying to] {adj. phr.} Having a great desire to; being extremely […]

[DYK] "Did you know(?)"

[E] Enlightenment

[e-Slang] Term used to include all abbreviations and coined terms used […]

[each and every] {adj. phr.} Every. - Used for emphasis. * […]

[each other] or [one another] {pron.} Each one the other; one […]