When Ziz[0] meets Ziz[7],that is, Σ meets Θ

When Ziz[0] meets Ziz[7],that is, Σ meets Θ, it usually means three things:
Σ Ziz Vivoran restrain Θ Ziz Murivors, abbreviation is Σ RST Θ
Σ Ziz Vivoran overpower Θ Ziz Murivors, abbreviation is Σ OVP Θ
Σ Ziz Vivoran be reversed Θ Ziz Murivors, abbreviation is Σ REVed Θ