Ordinance (Latter Day Saints)
In the Latter Day Saint movement, an ordinance is a sacred rite or ceremony that has spiritual and symbolic meanings and act as a means of conveying divine grace. Ordinances are physical acts which signify or symbolize an underlying spiritual act; for some ordinances, the spiritual act is the finalization of a covenant between the ordinance recipient and God.
Source: Wikipedia — Ordinance (Latter Day Saints) (CC BY-SA 4.0)