For the different types of methods, we read about the point of view framework and design guidelines. Both of these methods outlines the design challenge in a way that creates an actionable solution. Although, these are methods to help generate ideas, but not meant to decide the solution.
With design relating to our senses, individuals use many senses to take in a design or a product. The way the item feels, the sound it makes, the color it is, all plays a part in the way the consumer feels about the product.