Multiple choice general knowledge What does R/3 mean in SAP R/3? Read-only three Rewrite version three Runtime system three Real-time version three Reveal answer Fill a bubble to check yourself C Correct answer Explanation In SAP, R/3 refers to the three-tier architecture: database, application, and presentation layers. The 'R' originally stood for 'Real-time' from earlier SAP versions, and '3' denotes the three-layer client-server architecture.