"We don't want to push our ideas on to customers, we simply want to make what they want."
Still yet powerful. There are times when you just need to showcase your work and not do something too fancy, static websites are proven to be the best. Lite on the server and on your wallet.
Websites that change and update content based on pre-programmed algorithms is a dynamic website just like a Blog. Whenever there is a new blog, the older shifts down on the page on its own.
Websites that are developed with the intention of selling somthing or making a payments for some service are e-commerce websites. One of the best example is amazon.