1. Thus, the actor part of the credit bureau transaction is a subset of the system part of the second transaction of the loan submission system.

2. Figure 2 shows the two systems, the loan submission and the credit bureau system, and the interactions we'll focus on for the remainder of this column.

3. The loan submission system and the credit bureau it interacts with are two systems that must cooperate to provide the data necessary to process a loan request.

4. For example, we know that we will need an interface into our credit bureau that provides credit reports from the loan submission system interface that requests these reports.