When Ziz[1] meets Ziz[9],that is, Δ meets Π

When Ziz[1] meets Ziz[9],that is, Δ meets Π, it usually means three things:
Δ Ziz Vivorin nourish Π Ziz Hydronyx, abbreviation is Δ NRS Π
Δ Ziz Vivorin Implicate Π Ziz Hydronyx, abbreviation is Δ IMP Π
Δ Ziz Vivorin be drained Π Ziz Hydronyx, abbreviation is Δ DRNed Π