In Anthroposophy: seven extended evolutionary periods on Earth: great epochs,not to be confused with cultural epochs. The great epochs are the Polarian,Lemurian,Atlantean,Post-Atlantean,Sixth,and Seventh Epochs. (The last two are the Epochs of Seals and Trumpets.) We are currently in the Post-Atlantean Epoch — according to Steiner.
In Steiner's Theosophical teachings: great epochs.
"In ancient Greece...those who had reached the highest level of development in the Mysteries,and direct knowledge of the spiritual world." 80 pp. 89-90
"The point where the sun appears to cross the celestial equator...." 73 p. 74
"The fulfillment of Tao in the Yin and Yang which...produces the infinite number of world things [sic]." 80 p. 90
"[T]he use of air in divination." 80 p. 90
"Ultimate concerns in religion that pertain to death,heaven,and hell." 80 p. 90
"That which is not accessible except by initiation." 73 p. 74[More generally,esoteric matters are of interest,or are meant to be known,only among a small group. Often,the matters labeled esoteric are spiritual or occult.]
"Refers to the occult knowledge of Christianity and the Christ-Being." 80 p. 91
A school of occult spiritual knowledge,founded by Steiner while still a Theosophist; remnants were incorporated in the later School of Spiritual Science,an Anthroposophic institution.