What Morality used for?

The morality was used for potraying the natureof Man where Good and Evil fight for supremacy and also used for religious purposes.

Example of a real morality play

Title: The Castle of Preseverance

Summary of Plot: The play is about a man called Humanum Genus falling into sin by his free will, listening tohis bad angel, Malus Angelus, and then to Covetousness, Avaritia, and eventually recovering to grace by the mysterious power of grace itself, the lance of Penitence, and his own free-will to hope for that grace instead of falling into despair.

Expert from play (in mordern English): "Thus ends our games! To save you from sinning, Forever from the beggining Think on your last ending!"