There is only one type of salvation in the New Testament and that is salvation by grace:
Eph 2:8 For by grace you have been saved through faith, and that not of yourselves; it is the gift of God,
It is the gift of God. A gift, of course, is a free and unconditional present. That is the only basis on which God offers salvation. The gift of God is salvation by grace and through faith. It is offered to all people everywhere.
Luke 1:69.
The New Testament reveals the fulfillment of prophecies and promises made in the Old Testament, showing how Jesus Christ brings a new covenant and salvation for all people, which was not fully understood in the Old Testament.
The new testament is about the life and death of Jesus, the messiah. Although there are many people who appear throughout the new testament like any of the apostles. The New Testament is also about the birth of Christianity, the spread of the gospel of salvation and the establishment of Christian churches. The New Testament also contains teaching for the new churches.
Much of the reason for events and doctrine taught in the New Testament are to be found in the Old Testament. The New Testament would be incomprehensible without the Old. The reason for Christ's coming to earth and why humankind are in need of salvation can be found in the Old Testament, particularly in Genesis.
There are three types of books in the New Testament. They are the Historical Books, Pauline Epistles, and General Epistles
GospelEpistleApocalyptic
The Old Testament focuses on the history and laws of the Israelites, while the New Testament centers on the life and teachings of Jesus Christ and the early Christian church. The Old Testament emphasizes God's covenant with the Israelites and their journey, while the New Testament highlights the fulfillment of that covenant through Jesus and the promise of salvation for all believers.
Old Testament was pure promise and the New Testament looks back opon the fulfilled promise with universal salvation with personal reconciliation - sign your name on the dotted line.
This occurs only in parts of the Bible. The Old Testament comprises the majority of the Bible, written before Jesus was born. The New Testament has portions in which Jesus is to have said that one can only come to God the Father through him (thus achieving salvation).
The center of the New Testament is considered to be the death and resurrection of Jesus Christ, which is a pivotal event in Christian belief. This event is central to the teachings and salvation message of Christianity.
The word salvationitself is mentioned 45 times in the KJV New Testament. Other words though will also contain a similar idea such as believe, faith in Christ (as this the means of savlation) etc
In the New Testament, God is often depicted as more loving, forgiving, and merciful, emphasizing the concept of grace and salvation through Jesus Christ. In contrast, the Old Testament portrays God as more wrathful, judgmental, and strict, focusing on laws and consequences for disobedience.