Salvation, in a nutshell, is being rescued from sin's consequences (separation from God) through faith in Jesus Christ, who paid the penalty for our sins through His death and resurrection, offering eternal life as a free gift of God's grace, not earned by good works. It involves recognizing our sinfulness, believing in Jesus as Savior, asking forgiveness, turning from sin (repentance), and being spiritually "born again" into a new life with God.