Their function pertains to celebratory rituals: commemorative, initiatory and propitiatory; first in the field of religion, then later even secular, which were held on special occasions, either single or recurrent.
A súa función pertence a rituais de celebración, conmemorativa, iniciativa e propiciatoria, primeiro no campo da relixión, despois incluso secular, que se celebraban en ocasións especiais, únicas ou recorrentes.