Title is not really ok but i will use word SEO instead of using any other , all websites are useless without Search Engine Optimisation (not really if you prefer to build your business with flayers and 20-th century marketing).
(2)Ah, we also need to build corporate website and usually need Hosting package to host website. Think twice or more : you need website for ?? – portal for clients – only website ,,yes we have website,, – corporate website with services and support for clients , marketing for future clients and Big Shop window for World customers .
(3) You need Webmaster before anything – represent wheel betwen you and your site, important advisor for your site concept.
(4) Very important is name for your website (domain)
(5) All info about competition and websites related to your site or your content
(6) Also you need to have vision about all this .