the Trinity
Christian theological term for the Father, Son, and Holy Spirit as one God.
In Christianity, they believe in the Trinity of the Father, the Son, and the Holy Spirit.
three-in-one combination; triad; three elements working as one
Figurative use for any set of three closely linked parts, factors, or aspects that form a unified whole. Common in business, technology, and everyday descriptions.
The appeal of this new product is the three-in-one combination of design, performance, and price.
We will promote regional development through a triad of government, business, and universities.