In relation to bible knowledge or the ancient understanding of it. what is the dedarkee?

Answer 1

Do you mean the Didache? That was a church manual composed in the First Century is also known as the Teachings of the Twelve Apostles. It was one of six books debated on for inclusion in the New Testament by the Council of Nicea in the Fourth Century, but was rejected. You can read it online at:
http://www.earlychristianwritings.com/didache.html

Answer 2

french? something in astronomy....just not sure