"The Rock" is a symbol of the spiritual "Firmament", the support, solidity, permanence, height of the Divine Will.

"Rock" is a symbol of the Truth of God's Commandments, which are eternal, unchanging spiritual basis of life following them man, protecting, shielding him from committing sin.

Negative Meaning.

"The Rock" is a symbol of religious, political and other idols of man, his firmly established beliefs, ideologies, everything before which he bows down, on which fanatically, arrogantly relies man carnal, materialistic thinking and way of life.  

Translated with DeepL.com (free version)