Are you planning to engage a web designer? Are you going to sell your services or products or do you want a website design only to provide information? A web designer alone is the person to help you with such questions and its answers.
Look for online websites that can represent your brand potentially from the perspective of an image. This is the time you should start to draft that you wish to accomplish through your website. You can draft and give to your designer, they will figure out that you want in the first place and design meeting your specifications.