A website is a collection of related web pages, including multimedia content, typically identified with a common domain name.
A web sites is accessed via the Internet or a private local area network (LAN).
All publicly accessible websites collectively constitute the World Wide Web, while private websites are typically a part of an intranet.
There are various types of website such as static HTML coded websites to content managed websites likes WordPress.
Websites can also be shopping portals using web development platforms like Magento or Opencart and this is known as an eCommerce website.
The type of website a company needs will vary depending on the use.