Can you provide me a correct and neat answer? Explanation also I need it for my review thank you

Directions: Analyze the picture below and answer the following questions: 1. Which parts of the structure of the building models a point? How will you describe this points? 2. Which parts of the structure of the building models a line? 3. Which parts of the structure of the building models a plane? 4. How does these figures define the structure and the stability of the building? 5. How is Math used in the design of different structure