There are three sets of six abstract cores. (Silence, xviii)

Abstract cores for the Mastery of Awareness. (Silence, xix)

Number of total abstract cores and stories is 21. (Silence, 2)

Cores reveal themselves slowly, advancing and retreating. (Silence, 249)

Abstract cores of the sorcery stories are shades of realization, degrees of our being aware of our intent. (Silence, 105)

Sorcerers consult their past in order to obtain a point of reference (not their personal past) Establishing a point of reference means getting a chance to examine intent. (Silence, 2)