Passover — Jesus prepared the last passover as a Rabbi leading his disciples.
Activity — Through the night there would be numerous dishes, cups, activities. This is the first cup followed by the Rabbinic interpretation.
Urgency — Jesus expressed his desire to keep this passover.
Solemnity — The air of solemnity invades the evening when Jesus speaks of the last time he shall eat and drink with his disciples.
Expectation — All is not lost. Jesus keeps faith that there shall be an until — until the Kingdom comes.