A ritual is a ceremony in which the included actions, and the order in which they are done, is established and fixed. This includes religious as well as secular functions. The term is figuratively...
Animistic rituals celebrate the workings of the spirits that animate the world, or make them visible thereby reinforcing their existence. When spirits die or pass away ceremonies and rituals can be...
This depends on the religion you are asking about. In Catholicism and other Christian faiths there are a certain collection of rites that are carried out on specific days of the churches liturgical...
Nothing stops you putting a specific Ritual Monster in your deck, without its Ritual Spell Card. You are free to take monsters who you are unable to summon. It might be that you plan to summon the...