- means potential trouble source which itself means a person connected to a suppressive person. All sick persons are PTS. All pcs who roller-coaster (regularly lose gains) are PTS. Suppressive persons are themselves PTS to themselves. (HCOB 20 Apr 72)
- is the manifestation of a postulate-counterpostulate. (SH Spec 68, 6510C14)
- environmental menace that keeps something continuously keyed in. This can be a constant recurring somatic, a continual, recurring pressure or a mass. The menace in the environment is not imaginary in such extreme cases. (HCOB 5 Dec 68)