One lone computer in a business is useful. When that computer is connected to a second computer a small network is developed that allow files and information to be more readily shared. Large companies have hundreds or thousands of computers tied together in a company-wide network that speeds many processes along.
This concept is a microcosm of what it means to develop a network known as the World Wide Web or Internet.
The Internet is a connection of computers linked through servers for the purpose of sharing information, entertainment and ecommerce.
Web hosting is the mechanism whereby you can access a portal to the World Wide Web. When you work with a web host to place your site files on their server you are moving from spectator to player in ecommerce.
This portal is important because it provides a means of interacting with your customers. They can view your site and you can gain access to information about the visitor that may assist you in developing new sales opportunities or introducing them to new products.
This portal is not just a storefront, it effectively becomes your sales force if accepted Search Engine Optimization (SEO)...