motto
/ˈmɒtəʊ/
noun
Meaning
A sentence, phrase, or word, forming part of an heraldic achievement.
A sentence, phrase, or word, prefixed to an essay, discourse, chapter, canto, or the like, suggestive of its subject matter; a short, suggestive expression of a guiding principle; a maxim.
A paper packet containing a sweetmeat, cracker, etc., together with a scrap of paper bearing a motto.