Forgiveness vs. salvation: forgiveness is one component; salvation is the full package including adoption, the Spirit, and eternal life

Forgiveness = judicial removal of moral guilt; sins are no longer held against the believer before God. Salvation = the comprehensive set of blessings in Christ, which includes: forgiveness of sins, adoption as God's children, indwelling of the Holy Spirit, and the inheritance of eternal life. Salvation is the broader category; forgiveness is necessary but not exhaustive. The doctrine of salvation (soteriology) can refer either to the mechanism (how we are saved) or the results (what we receive), and both include but exceed forgiveness.