Directions and how to identify them with an illustrative diagram?

Identify the A and B in given diagram.

Identify the labels from the given diagram.

Identify the following diagram

Identify the IUD in the given diagram.

Identify the given diagrams

Identify the parts labelled in given diagrams:

Directions : In the following questions, identify the diagram that best represents the relationship among the classes given below. Duck, Penguin , Bird

Directions : In the following questions, identify the diagram that best represents the relationship among the classes given below. Profit, Dividend, Bonus

Identify the following diagram-