What does the 'abomination of desolation' refer to?

In Mark 13, Jesus refers to the 'abomination of desolation' prophesied by Daniel, indicating a critical point in the eschatological timeline that pointed towards the coming judgment on the temple and the city of Jerusalem. This phrase symbolizes utter devastation and the rejection of the old religious order, leading to a call for believers to flee and protect themselves during the tumultuous events surrounding the Roman siege. Understanding this reference deepens our grasp of the grave seriousness of the situation facing the Jewish people at that time and the necessity of heeding Christ’s warning as His words ushered in the destruction of what was once calling for God's people to worship authentically.