Front page of EShop will show the parent categories list and featured products list for your store. Please read the Browsing The Front-end to know how to create the menu item to EShop front page.
In the front page menu item edit screen, you have options to enter number of categories and products to show. You can choose to show only categories by enter 0 for number of products and vice versa.
The front page is always used as home page of your store, then from the front page, customer will browser to go to category and product pages.