draw uml class with explanation

Exercise 3: Draw UML Class diagrams for the following Movies App System: - Movies are identified by their title and year of release. They have a length in minutes and are classified under one type (such as horror, action, drama, etc.). Movies are directed by one or more directors and have one or more actors. - Actors are identified by their names and date of birth and act in one or more movies. For each actor in a movie, the system records his role in that movie. - Directors are also identified by their names and date of birth. Directors are responsible on selecting actors for their movies. Each director directs one or more movies. - Customers can search for a specific movie and order it through the system. In addition, they can rate actors and directors. Exercise 2: Draw UML Class diagrams for the following Online Ordering System: - Employees: for each employee it keeps a unique ID number, first and last names, and a date of birth. - Customers: for each customer it keeps a unique ID number, first and last names, phone number, and a location where they are located. - Used parts being sold by the company: it keeps a unique part number, part name, and price. - Orders: each order is placed by one customer. Customer can create many orders, add items (parts) to the order, track the order's progress, or cancel it. Each order must have one or more parts. An order is delivered by at least one employee. A unique order number, order date, and shipping date are recorded. Each part can be ordered only once