Crafting the perfect political slogan is hard. Writing scores of unmemorable ones? Less so.

Buried in the leaked emails of Hillary Clinton’s campaign chairman, John D. Podesta, is a message from August 2015, when the campaign was weighing a list of prospective slogans for Mrs. Clinton’s candidacy. Some ring familiar:

■Progress for the rest of us. Not quite a “Festivus for the rest of us,” in “Seinfeld” parlance, but in the ballpark.

■Building a better tomorrow. Does not appear to have the blessing of Stephen Colbert’s former “super PAC” — “Americans for a Better Tomorrow, Tomorrow.”

■Go further. A rallying cry on which a Ford branding effort was once premised.

■Renewing our basic bargain. Calls to mind the stay-the-course-but-not-entirely ethos of Selina Meyer on “Veep.” (Her slogan: “Continuity with change.”)

Then there is the final section of the email, under the themed heading “It’s about you,” which — taken as a whole — reads as its own sort of inspirational pop-song stanza.

It’s about you. It’s about time It’s about time … and it’s about you. It’s about you. Because your time is now It’s your turn It’s your time It’s your time Next begins with you

During the Democratic primary, Mrs. Clinton’s campaign cycled through several taglines — “Breaking down barriers”; “Everyday Americans need a champion”; “Fighting for us”; “Building ladders of opportunity” — betraying a restlessness with its options.