Old timers have told me of the "phases". Like load phase 1. Load data cards and start Phase 1. Punch cards are produced with modified data for phase 2. Load

Old timers have told me of the "phases". Like load phase 1. Load data cards and start Phase 1. Punch cards are produced with modified data for phase 2. Load phase 2. Load Phase 2 data and start Phase 2. Run Phase 2. There were often even more phases.