| A | B |
| Author of Matthew's Gospel | Unknown; probably a Jewish Christian |
| Author of Mark's Gospel | possibly John Mark, a companion of the Apostle Peter |
| Author of Luke's Gospel | Possibly a Gentile doctor |
| Author of John's Gospel | probably followers of the Beloved Disciple |
| Audience for Matthew's Gospel | Jews converting to Christianity |
| Audience for Mark's Gospel | written for the church in Rome and for Gentiles |
| Audience for Luke's Gospel | written for Gentile Christians |
| Audience for John's Gospel | the church of that time; Christians of all backgrounds |
| Theme of Matthew's Gospel | Jesus as the fulfillment of Old Testament promises |
| Theme of Mark's Gospel | Jesus as the "suffering servant" |
| Theme of John's Gospel | Jesus as "the Word of God" |
| Theme of Luke's Gospel | Jesus has mercy, compassion, and concern for sinners and the poor |
| Symbol of Luke's Gospel | Man |
| Symbol of Mark's Gospel | Ox |
| Symbol of John's Gospel | Eagle |
| Symbol of Matthew's Gospel | Lion |