Shaykh Muhammad al-Qandusi says in his magnum opus al-Ta'sis (Cipher of the Spirit):
The reality of right (yamin) is highness and elevation. By highness and elevation we mean elevation in sanctity (hurma) and highness in spiritual degrees that entail arrival unto the spring of the Divine Presence and experiencing the delight of its beauty, and other such pursuits. The reality of the left (Shimal) is the opposite of highness and elevation. It is unadulterated lowering and sinking; it is...