tagline

The Japan Times Online Aug 4のCulture面の記事に以前（11/18/2011）取り上げた単語 "tagline" が次の様に出てきました。
‘Truth': Ask no questions, hear no lies
‘The truth is out there” is the tagline from sci-fi thriller TV series “The X-Files,” suggesting that perhaps all we had to do was find it and retrieve it like a lost frisbee.
"tagline" はほとんどの辞書で２語の "tag line" で項目を設けています。
・Oxford English Dictionary: A catchphrase or slogan, especially as used in advertising, or the punchline of a joke.: But occasionally a tag line is great, and it makes a difference.
・Collins Dictionary: The tag line of something such as a television commercial or a joke is the phrase that comes at the end and is meant to be amusing or easy to remember.: The tag line was: `Take the worry out of monthly bills with Home Finance.
・Dictionary.com:
1. the last line of a play, story, speech, etc., used to clarify or dramatize a point.
2. a phrase or catchword that becomes identified or associated with a person, group, product, etc., through repetition: Entertainers often develop tag lines, like Ted Lewis's “Is everybody happy?”