Figure 2-1 1. Refer to Figure 2-1. What is the name of the model depicted in the figure? 2. Refer to Figure 2-1. What do the ovals represent in the figure? 3. Refer to Figure 2-1. What do the rectangles represent in the figure? 4. Refer to Figure 2-1. What do the outer arrows represent in the figure? 5. Refer to Figure 2-1. What do the inner arrows represent in the figure? 6. Refer to Figure 2-1. What does the arrow going from oval A to rectangle 2 represent in the figure? 7. Refer to Figure 2-1. What does the arrow going from oval B to rectangle 2 represent in the figure? 8. Refer to Figure 2-1. What are two elements not included in this figure that could be included in a more complex model?