1. The document is a context diagram that shows the flow of information between an iKnow Company and its external entities, like customers and common carriers.
2. It depicts the key processes in iKnow's order entry, billing, shipping, and accounts receivable systems. These include order processing, credit checking, invoice preparation, order fulfillment, payment processing and sales reporting.
3. The major external entities that interact with iKnow's systems are customers, who place orders and make payments, and common carriers, who transport finished goods. Information flows between these entities and iKnow's internal systems and databases.