Definition: An action and a more precise statement indicating the way or manner in which the action is carried out.
Conjunctions: in that, by, etc.
Distinctions: Comparison, Idea-Explanation, Action-Result, Action-Purpose (Hover over a relationship to see how it differs.)
Action-Manner (Ac/Mn) vs Comparison (Cf)
Comparison is more specific than Action-Manner. Thus, when you find a proposition that is telling you the manner in which an action happened through the use of comparison, it is better to use the Comparison label as the "deeper" relationship.
He quickly finished his dinner, stuffing the food into his mouth. (Action-Manner)
You eat like a man trying to win a hot dog eating contest! (Comparison)
Action-Manner (Ac/Mn) vs Idea-Explanation (Id/Exp)
Action-Manner can be thought of as the Idea-Explanation of verbs.
Whereas with Idea-Explanation we find the explanation describing a single noun or an entire concept, Action-Manner tells us more about the action happening. You should be able to paraphrase an Action-Manner with the word "by."
Bill drove to New Jersey, speeding the entire way. (Action-Manner)
Bill drove to New Jersey, going home to where he grew up. (Idea-Explanation)
Action-Manner (Ac/Mn) vs Action-Result (Ac/Res)
Action-Manner is support by restatement, whereas Action-Result and Action-Purpose are support by distinct statement. Therefore the manner is not telling you something entirely distinct from the action, but telling you more information about the action.
Bill threw the ball by swinging his arm around in a circle. (Action-Manner)
Bill threw the ball and it broke his grandmother's vase. (Action-Result)
Action-Manner (Ac/Mn) vs Action-Purpose (Ac/Pur)
Action-Manner is support by restatement, whereas Action-Result and Action-Purpose are support by distinct statement. Therefore the manner is not telling you something entirely distinct from the action, but telling you more information about the action.
Bill threw the ball by swinging his arm around in a circle. (Action-Manner)
Bill threw the ball in order to knock over the cans. (Action-Purpose)