You are working as a software engineer at a leading e$-$commerce company. The company has decided to revamp its online shopping system to enhance user experience and streamline the shopping process. As part of the requirements gathering process, you are tasked with creating a Use Case Diagram to represent the various interactions and functionalities of the proposed system. Customer is a registered user of the online shopping system who has the ability to browse, search, and view product details, add and remove product from the cart, proceed to checkout, and view order history. Guest User is an unregistered user who can browse products, search, and view product details but has limited functionality compared to a registered customer. Administrator is an employee responsible for managing the product catalog, including adding new products, updating information, removing products, and viewing customer orders. System represents the online shopping system itself, handling user authentication, payment processing, and order confirmation.