Ideas _ people said the more you talk about your ideas the more refine it becomes. I think this is true. Did you ever experience when you talk to more people you generated a lot more ideas? When people give you feedback it triggers another dimension of your ideas? If you are, so where do you keep all these ideas? It should be in a marketing plan.
You need to define your location with a description of all advantages and disadvantages. I would include the operating hours and scheduling in this section. You must develop a unique selling point for your business. You will need to provide details about every product/service that you provide and give their features/benefits/values.