When Ziz[0] meets Ziz[6],that is, Σ meets Λ

When Ziz[0] meets Ziz[6],that is, Σ meets Λ, it usually means three things:
Σ Ziz Vivoran restrain Λ Ziz Lucivors, abbreviation is Σ RST Λ
Σ Ziz Vivoran overpower Λ Ziz Lucivors, abbreviation is Σ OVP Λ
Σ Ziz Vivoran be reversed Λ Ziz Lucivors, abbreviation is Σ REVed Λ