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West is the direction in which the sun sets. It has the meaning of loss and aging.

In the myth, the West means blissful land, and dreaming about the West may also be a yearning for some unexplored field.

Zhouyi Interpretation of Dreams

The West symbolizes death or reduction, the end of a special day in your life.

The Western symbolic conscious self (the sun) descends into the subconscious. Then this dream should be seen as an invitation to get acquainted with the subconscious mind.

The West represents intuition. The way of subconsciously gaining knowledge.

If the West does not represent the Western world or Western culture in the dream, then it symbolizes rationality or the alienation of nature.