1. The document discusses key concepts relating to information systems including self checks on terminology, true/false questions, multiple choice questions, and review questions. 2. Key terms defined include office automation systems, decision support systems, expert systems, system administrators, and transactions. 3. The review questions help test the reader's understanding of basic information systems concepts such as the definition of an information system, its key components, purpose, why organizations use office automation, and what constitutes a transaction.