The word "angel" comes from the Greek word "anglos," which means "messenger" in Hebrew. Angels can take many forms, usually appearing as human or a glowing light or aura. Often, especially in cases of averted tragedy or disaster, angels will not be seen at all, but instead their presence recognized by their actions. If something good, unexpected, and seemingly inexplicable happens it.s often assumed to be the result of divine or angelic intervention.
The angels most people are familiar with today are the Christian angels, which originated from the Hebrew Testaments. The Catholic Church devoted considerable effort to describing and developing an extensive hierarchy of angels. There were many different types of angels, archangels, seraphim, and so on, with an official census ofnearly half a million.