"Oil" translates as "pure," "clear.

(Oil is olive oil, which has gracious healing properties.)

"Oil" is a symbol of the Holy Spirit of the Wisdom of God's Will, which has a beneficial effect on the life of man, who, by carrying out God's Commandments, acquires righteousness, holiness, which leads to Eternal Life.

"The "Oil" of God's Word, which by its proclamation by all the righteous is so "poured out" on man's "Head", i.e. spiritually-targeted, beneficially influences his feelings, mind and consciousness, enlightens him spiritually with the Truth of God's Commandments and therefore heals him from his sins, affirms in his life the Kingdom of Peace, Righteousness and Love.

"The Oil of Joy" is a symbol of the Word of God's Will, His Covenants, fulfilled by man, bringing to man the joy of being in righteous living, in the hope of attaining Eternal Life, pacifying him, delivering him from unrighteousness, from committing sin and therefore saving him from the punishment of God by its consequences.