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Best Answer: Frogs usually mean protection. Natives use the symbol for someone is a healer (shaman). As the symbol it mean protector of negative energy. The frog digest the negative poisons and spits it out away.If it was sitting on your door step it protecting you and your home from negative and promoting prosperity and health.est Answer: Frogs usually mean protection. Natives use the symbol for someone is a healer (shaman). As the symbol it mean protector of negative energy. The frog digest the negative poisons and spits it out away.
In common AmE usage - these are functionally the same thing. I agree there is a nuance here that most native-speakers do not pay attention to, though. Jesus said, Behold, I stand AT the door and knock.. Some new translations may have this as, I'm knocking ON the door of your heart..