a heavily occluded case characterized by mental pictures consisting o f masses of blackness. The term black five came from application of SOP 8, wherein the auditor tests the preclear at each step of the process to find a step the preclear can do and begins processing at that step. A preclear who had to b e started at Step V of the process was called a "Case V." This level of case could not get mock-ups but only blackness. See also SOP 8 and blackness in this glossary. —Creation of Human Ability Glossary (app 10.7.90)