('US') All kinds of people attended the event, including politicians, celebrities, and 'just plain folks'. [=ordinary people]
The answer is (as) 'plain as day'. = The answer is 'as plain as the nose on your face'. [=the answer is very obvious]
She describes herself as a 'plain Jane'. [=a woman who is ordinary looking and not beautiful or glamorous]
(..) next-door neighbor, the one on the right, what's her name, Becky? Becky's on the left. Carol's on the right. Just this morning, plain as day. He's there, walking out of your house, and he calls her by name. He didn't hurt her, did he? He didn't... (..)2013 TvShow: Breaking Bad Title: Felina Season: 5 Episode 16