Gosudarstvennoe politicheskoe upravlenie (State Political Directorate). The security police successor to the Cheka from 1922 to 1923. Found on http://soviethistory.msu.edu/glossary/
Graphics Processor Unit - A GPU takes on the task of working with Transform and Lighting (T&L) away from the CPU so it can focus on more important things such as AI. Found on https://www.encyclo.co.uk/local/22026