The most common and most likely answer to this crossword clue is the 7 letter word GOSPELS
G
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Buddy explains!
The straight part
We know that "There are four of them" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case there are four of them = gospels.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does GOSPELS mean?
GOSPELS noun- The first section of the Christian New Testament scripture, comprising the books of Matthew, Mark, Luke and John, concerned with the life, crucifixion, death, resurrection, and teachings of Jesus.
- An account of the life, crucifixion, death, resurrection, and teachings of Jesus, generally written during the first several centuries of the Common Era.
- The teaching of Divine grace as distinguished from the Law or Divine commandments.
- A message expected to have positive reception or effect, one promoted as offering important (or even infalliable) guiding principles.
- That which is absolutely authoritative (definitive).
- Gospel music.