Waffle offers predefined categories to assist you in organising your Toppings. These predefined categories play a crucial role in tailoring your user experience by providing you with personalised recommendations and suggestions, helping you discover content that aligns with your interests. However, remember that you're not constrained by these presets. You can also create Blank toppings giving you the freedom to add virtually anything to your Topping, making it a versatile tool for managing your unique interests.