"The Tower" is a symbol of the spiritual height of the Wisdom of the Word of the Divine Will, of His glory, of His majesty.
"The tower" is also a symbol of the immutability, power and inviolability of the Will of God, this His spiritual stronghold, foundation, support, His Laws, Commandments, spiritually warning man not to commit the sin of iniquity, and protecting him from its destructive influence.
Negative Meaning:
"The Tower" symbolizes the arrogance of man, as well as the various false, religious, political, ideological, economic, etc. systems of the world, and their militant ideologies, various dogmas, by which all the sinful life of nations is justified, preserved and affirmed.