signal phrase

noun2

1. •
   An indication that something is a paraphrase or direct quote.

   • "Smith suggests that..." and "In Smith's words..." are both signal phrases.
2. •
   A phrase that signals a particular meaning or stance.

   • To identify an opinion, look for signal phrases such as “I think,” “I consider,” “I'm convinced,” “I guess,” “I believe,” or “I feel.” — 1996