"West" is a symbol of one facet of man's comprehensive knowledge and fulfillment of God's Will, His Commandments, and awareness of various phenomena and processes occurring in the world.      

Negative Meaning.  

"The West" is a symbol of spiritual decline in the knowledge and fulfillment of God's Commandments, a symbol of moral, spiritual "twilight," man's departure into a state of godlessness, the darkness of sinful life.

"West" is also the opposite of "East," which symbolizes the ascending spiritual Light of true knowledge of the Creator's Will.