What does a fool mean in tarot cards?

The 22nd card of Lopa Grand Akana is "Fool". The pattern is a person standing happily on the edge of a cliff. Some explanations are that he is stupid and lacks the ability of rational judgment; It was also pointed out that he was extremely spiritual and didn't care about reality. Generally speaking, it is to act on intuition, without the ability to refuse and resist; It also represents stupidity, impulsiveness and nothingness. However, the more mature among them will learn from life experience and then become their ideal people.