Last supper meanings of the cup?

In the context of the Last Supper, the cup symbolizes several profound meanings, primarily representing the blood of Christ, which signifies the New Covenant between God and humanity. It embodies sacrifice, as Jesus foretells his impending crucifixion and the redemption of sins through his blood. Additionally, the cup serves as a call for unity among believers, inviting them to partake in communion and share in the remembrance of his sacrifice. This act of sharing the cup underscores the themes of fellowship and spiritual nourishment in Christian faith.