The golden rule for positioning your Startup or Product

I like your idea, and I believe it'll work for sure. Because when people are not familiar with your product, they can only focus on one thing, maybe the most important thing.

However, I still have problem to identify the most important thing for my product. It is

- a better search engine - build your private web - resolve SEO problem for business

without "AND", how can I convey the value of the product? When Amazon has not become the largest online store, how can they describe that they are?