How was the method of communal land use carried out, why was it useful for the community to have

How was the method of communal land use carried out, why was it useful for the community to have a lord of a noble family?

Communal land tenure is a way of owning a plot of land for an entire community of peasant families. The cultivation of the land was carried out jointly, the fruits of labor were divided equally among all members of the community. The lord of a noble family in the community was useful in that he had the right to ownership of land and could ensure the inviolability of borders and the protection of members of the community.