The New Bible Dictionary defines redemption as “deliverance from some evil by payment of a price."

The Strong's Concordance definition of apolutrosis (redemption) is a release effected by payment of ransom.

The word Redemption is specifically mentioned more than 50 times in the Bible and is first mentioned in the book of Exodus.

It involves bondages, a price, a ransom, deliverance, legal rights, and duties.

Redemption is God’s plan. God is the ultimate redeemer, saving His chosen ones from sin, evil, trouble, bondage, and death.

Redemption is an act of God's grace, by which He rescues and restores His people.

It is the summary of the New Testament - the birth of the redeemer, act of redemption to full redemption.