What is a sacrament?

A sacrament is a physical symbol. And it is tangible (the meaning of being physical). And also, it is an invisible reality. Sacraments require communication. And sacraments have symbols like for example, water for baptism and bread and wine for the eucharist. Sacraments can have real causes and they have happened in real life like when you are a baby, you are baptized. Sacraments were involved in the 5 senses by touch, taste, see, hear, and smell. Like for example, when you receive your "First Holy Communion," it requires taste because the Priest will put Jesus in your mouth.

These are the 7 sacraments.