What role does design play at the initial stages of a product?

Design plays a key role in a product's early stages by shaping its look, usability, and appeal. A good design ensures the product stands out and meets user needs effectively. For example, when creating custom stickers, thoughtful design helps convey the right message or brand identity. Sites like Customise Sticker can offer useful insights into this process. What’s your take on balancing design with functionality early on?