it is a phrase becuase a phrase is a group of words that may contain either a subject or a verb but not both and the sentence "swimming laps at the pool" only contians a subject becuase, who is swimming laps at the pool?
Ethos is a mode of persuasion used to convince the audience. It is one of three artistic proofs (ethos, pathos, and logos).
Ethos is also known as ethical appeal and convinces your audience of credibility and character. It is used to prove you are worth listening to. Ethos can be developed by choosing language that is appropriate for the audience and topic (this also means choosing the proper level of vocabulary), making yourself sound fair or unbiased, introducing your expertise, accomplishments or pedigree, and by using correct grammar and syntax.
Shakespeare is the guy you're thinking of. I'm not sarcastic just needed to add extra stuff to fill the 20 characters minimum
