The Didache (, Koine Greek for "Teaching"See http://www.blueletterbible.org/cgi-bin/words.pl?strongs=1322&page=1&flag_full=1 Strong's G1322) is the common name of a brief early Christian treatise (c. 50–160), containing instructions for Christian communities. The text is possibly the first written catechism, with three main sections dealing with Christian lessons, rituals such as baptism and eucharist, and Church organization. It was considered by some of the Church Fathers as part of the New TestamentAthanasius, Festal Letter 39 (as Deuterocanonical) in 367; Apostolic Constitutions "Canon 85" (approved at the Orthodox Synod of Trullo in 692); Rufinus, Commentary on Apostles Creed 37 (as Deuterocanonical) c. 380; John of Damascus Exact Exposition of Orthodox Faith 4.17; and the 81-book canon of the Ethiopian Orthodox Church but rejected as spurious by others,Rejected by 60 Books Canon and by Nicephorus in Stichometria eventually not accepted into the New Testament canon with the exception of the Ethiopian Orthodox Church "broader canon".