What does "Coram Deo" mean?

“The big idea of the Christian life is coram Deo. Coram Deo captures the essence of the Christian life. This phrase literally refers to something that takes place in the presence of, or before the face of, God. To live coram Deo is to live one’s entire life in the presence of God, under the authority of God, to the glory of God. Coram Deo … before the face of God.”