When Ziz[1] meets Ziz[7],that is, Δ meets Θ

When Ziz[1] meets Ziz[7],that is, Δ meets Θ, it usually means three things:
Δ Ziz Vivorin restrain Θ Ziz Murivors, abbreviation is Δ RST Θ
Δ Ziz Vivorin overpower Θ Ziz Murivors, abbreviation is Δ OVP Θ
Δ Ziz Vivorin be reversed Θ Ziz Murivors, abbreviation is Δ REVed Θ