What is Gospel?

Gospel definition and meaning on Dictionary terms:
the teachings of Jesus and the apostles; the Christian revelation.
the story of Christ’s life and teachings, especially as contained in the first four books of the New Testament, namely Matthew, Mark, Luke, and John.
(usually initial capital letter) any of these four books.
something regarded as true and implicitly believed: to take his report for gospel.

a doctrine regarded as of prime importance: political gospel.
glad tidings, especially concerning salvation and the kingdom of God as announced to the world by Christ.
(often initial capital letter) Ecclesiastical. an extract from one of the four Gospels, forming part of the Eucharistic service in certain churches.
gospel music.

of, relating to, or proclaiming the gospel or its teachings: a gospel preacher.
in accordance with the gospel; evangelical.

of or relating to gospel music: a gospel singer.


reference: https://www.dictionary.com/browse/gospel