tagline

an attention-getting word or phrase used to publicize something (as a campaign or product) <the tagline from the drug campany's ad campaign backfired and quickly became fodder for late-night comedians> Synonyms banner, catchphrase, cry, shibboleth, slogan, watchwordRelated Words expression, idiom; catchword, cliché (also cliche); maxim, motto; battle cry, war cry