"Grace" (Greek Charisma), is "a gift that is kindly given to a person".
"Grace" is a good spiritual Giving of God to people - Revelation of His Will, expressed in the Ten Commandments, the Laws of the True Way of Life, the implementation of which opens the person the highest spiritual Good - Eternal Life.
Knowing the Commandments of God shows man the purpose and meaning of his life. By following the Divine Covenants man achieves a righteous life, which brings him a variety of spiritual and physical Goods and leads him to immortality. Only God, the One Father and Creator of all things, can give this majestic Good Giving.
(According to J. Strong's lexicons, "grace" means: mercy, pity, compassion, sympathy, rendering mercy, kindness to man.)
The word "grace" is also translated as "faithfulness," it consists in the permanence of God's definitions, His Will, His attitude toward His creature-Man, "reliability"; "constancy," i.e, the obligation to fulfill His Will; immutability, firmness, i.e. the inevitability of the fulfillment of His Laws; Truth", i.e. the truthfulness of His Will; hope, i.e. confidence in the fulfillment of God's Will expected in Man; goodwill, i.e. desire, good action of the Commandments of God concerning Man.