Web development broadly refers to the tasks associated with developing websites for hosting via intranet or internet.

A set of functions and procedures that allow the creation of applications which access the features or data of an operating system, application, or other service.

Hosting (site hosting, Web hosting, and Webhosting) is the business of housing, serving, and maintaining files for one or more Web sites.

Facebook page/post boost refers to make them available for those users who are unaware of your products and services.