Broad Match: Red Widget - matches: red widget, three red widgets, red widgets are us, I have a redder green widget, does not match: I have a red wodget.
Phrase Match: Red Widget - matches: red widget, three red widgets, red widgets are us, does not match: red wodget
Exact Match: Red Widget - matches: red widget, does not match: three red widgets, red widgets are us, red wodget.
Just to make me happy, does that make sense and more to the point, is it correct?