obiter

casually remotely

accidentally

as a by-product as side effect by the bye by the way fortuitously in passing in related manner not by design parenthetically subordinately unexpectedly

purposely

commentary criticism discussion judgment mention note observation opinion remark report review

animadversion annotation backtalk buzz comeback crack dictum editorial elucidation exposition footnote gloss hearsay illustration input mouthful wisecrack

two cents' worth

silence

animadversion annotation backtalk buzz comeback comment commentary crack criticism dictum discussion editorial elucidation exposition footnote gloss hearsay illustration input judgment mention mouthful note observation opinion remark report review two cents' worth wisecrack