A home module is a webpage that serves as the starting point of the app. It is the default webpage that loads when you visit a web address that only contains a domain name. For example, visiting https://localhost:4200 will display the apps home page by default.
Here admin can access the sales report of products and categories of his particular restaurant. Also, it has all the information regarding the total number of menu items, categories, orders of the restaurant in the form of widgets as displayed in the screenshot below.