The term angel derives from a Greek translation of the original Hebrew mal’akh, which originally meant the “Shadow side of God,” but later came to mean messenger. —Malcolm Godwin, "Angels: An Endangered Species"
Doreen Virtue - 4 Steps to Hear Your Angels: Ask the angels a question. Notice your feelings and thoughts, which are their Divine guidance reply. If you can't understand the meaning, ask your angels for clear signs. Notice and trust the signs.