++ 2. CHERUBIM ++
Cherubim have four faces: one of each a man, an ox, a lion, and a griffon vulture. They have four conjoined wings covered with eyes, and they have ox's feet. Cherubim guard the way to the tree of life in the Garden of Eden (Genesis 3:24) and the throne of God (Ezekiel 28:14-16). -- The cherubim are mentioned in Genesis 3:24; Exodus 25:17-22; 2 Chronicles 3:7-14; Ezekiel 10:12–14, 28:14-16; 1 Kings 6:23–28; and Revelation 4:6-8. Cherubim are also the angels often depicted as babies with wings in Christian art.
++ 3. THRONES ++
The "Thrones" (Gr. thronos) or Elders, are a class of celestial beings mentioned by Paul of Tarsus in Colossians 1:16 (New Testament). They are living symbols of God's justice and authority, and have as one of their symbols the throne. These high celestial beings appear to be mentioned again in Revelation 11:16. Also seeEzekiel 10:17, and vision of Daniel 7 - 9). The Thrones are said to be the way by which God accomplishes his judgements (St. Gregory).
4. Domininations, 5. Virtues, 6. Powers. The second order of angels are charged with governing and ordering the laws of the created universe.
++ 5. VIRTUES ++
The "Virtues" or "Strongholds" lie beyond the ophanim (Thrones/Wheels). Their primary duty is to supervise the movements of the heavenly bodies in order to ensure that the cosmos remains in order. The term also appears to be linked to the attribute "might", from a Greek root. In Ephesians 1:21, which is also translated as "Virtue". They are charged with giving the power with which to accomplish the ordering of Nature.
++ 6. POWERS ++
The "Powers" (lat. potestas (f), pl. potestates), or "Authorities", from the Greek exousies, (see Greek root in Eph 3:10) appear to collaborate, in power and authority, with the Principalities (Rulers). They are bearers of conscience and keepers of history. They are also the warrior angels created to be completely loyal to God. Their duty is to oversee the distribution of power among humankind, hence their name. Finally, the choir of Powers are given the duty to order out how to execute what has been commanded. The choir of Powers direct the lower choirs on how to order creation.
7. Principalities, 8. Archangels, 9. Angels (closest to earth) concern themselves with creation and are the most familliar to us.
++ 8. ARCHANGELS ++
The word "arch-angel" comes from the Greek (archang?l?s), meaning chief angel, a translation of the Hebrew (rav-mal'ákh)  It derives from the Greek arch?, meaning to be first in rank or power; which means messenger. The word is only used twice in the New Testament: 1 Thessalonians 4:16 and Jude 1:9. Only archangels Michael and Gabriel are mentioned by name in the New Testament.
++ 9. ANGELS ++
The "angels", (malakhim Greek for messengers), are the lowest order of the angels, and the most recognized and are most concerned with the affairs of living things. In this category of angels, there are many different kinds with different functions. Archangels and Angels actually carry out and execute what is to be done. They are the messengers to mankind. This is why angels (such as Gabriel and Raphael) are the choir sent to communicate with man.