The whole community of believers; more specifically, this refers to those who have accepted the Catholic Faith and have received the sacraments of initiation.

The union of all members of the Church in the mystical Body of Christ; also the term used for an individual's reception of the Eucharist, which incorporates him or her into the Body of Christ.

Setting something or someone apart solely for a holy purpose; regarding the Eucharist, this means the transubstantiation of the bread and wine into the Body and Blood, Soul and Divinity of Jesus Christ.