Between the Feature and Product classes we have a relationship of the type:

Is composition a type of association?

The visibility of the „type” attribute in the Customer class is:

How many instances of Company do we have for a single instance of Contact? 

How many attributes does the Contact class contain?

How many attributes of type Details are there in the Individual class?

How many total associations are there in the diagram?

How many classes does this diagram contain?

What are elements of Use Case Diagrams?

What stereotypes can be found in this diagram?

(multiple answers -> 3 correct)