This simple phrase means exactly what it says. Agnosto means “I know not.” Theo is the simple Greek word for god from which we get words such as theology. It is possible that the Greeks had erected such an altar out of their anxiety that they may have missed a god. They may have simply wanted to cover their bases.

Apology is a  theological term to describe a   contention made in defense of the Christian faith. It is derived from the Greek, APOLOGIA,   meaning "a defense in conduct or procedure." Apologetics is the study of this   explanation or defense.

Apostle is a person sent by God. One of five  office gifts described in Ephesians 4:11.

Armageddon will be, according to the Book of Revelation, the site of a battle during the end times, variously interpreted as either a literal or symbolic location. The term is also used in a generic sense to refer to any end of the world scenario.

Baptism in Holy Spirit is the experience of   being immersed and filled with the Holy Spirit. "...for John truly baptized with   water, but you shall be baptized with the Holy Spirit not many days from now" (Acts

1:5).

Baptism in water is the act of being immersed   in water in obedience to scripture, as a statement of faith in Christ. "Go therefore   and make disciples of all the nations, baptizing them in the name of the Father and of the   Son and of the Holy Spirit" (Matt. 28:19).

A reference to those who subscribe    to the doctrines of John Calvin (1509-64), who taught the concept of unconditional    predestination, limited atonement, and irresistible grace, sometimes referred to as    eternal security.

Communion is a memorial supper of bread and  wine, symbolizing the broken body and shed blood of Jesus. "The cup of blessing which    we bless, is it not the communion of the blood of Christ? The bread which we break, is it  not the communion of the body of Christ?" (1 Cor. 10:16).

One who has been "converted" as a Christian by placing faith in Jesus Christ. "Assuredly, I  say to you, unless you are converted and become as little children, you will by no means  enter the kingdom of heaven" (Matt. 18:3).

Literally a servant. An office of servant ministry within the church. "But let these also first be proved; then let  them serve as deacons, being found blameless" (1 Tim. 3:10).