“And I say to you that you are Peter, and on this rock I will build My church, and the gates of Hades shall not prevail against it.”
The word Church was not presented until the NT with Jesus. Before than, the Church (building, meeting place, congregation, assemble) was called a Temple, or synagogue.
What is the Church?
A gathering of citizens called out from their homes into some public place, an assembly
From a compound of G1537 and a derivative of G2564; a calling out that is (concretely) a popular meeting especially a religious congregation (Jewish synagogue or Christian community of members on earth or saints in heaven or both): - assembly church.
Where is the Church?
Matt. 18:20- “For where two or three are gathered in My name, I am there in the midst of them.”
The church is where any two or three people are willing to come together to praise, worship, talk about or listen to other talk about Jesus Christ. (No build required)
What is the purpose of the Church?
Eph. 4:12- For the equipping of the saints for the work of ministry, for the edifying of the body of Christ.
The Church is the body of Christ.
Rom. 12:4-5- 4) For as we have many members in on body, but all the members in one body, but all the members do not have the same function, 5) so we, being many, are one body in Christ, and individually members of one another.
Eph. 1:22-23- 22) And He put all things under His feet, and gave Him to be head over all things to the church, 23) which is His body, the fullness of Him who fills all in all.
Col. 1:24- I now rejoice in my suffering for you, and fill up in my flesh what is lacking in the afflictions of Christ for the sake of His body, which is the church.