01.Web Development is a broad term for any activity related to developing a web site for the World Wide Web or an intranet. This can include e-commerce business development, web design, web content development .

02.Web Design is the skill of designing presentations of content (usually hypertext or hypermedia) that is delivered to an end-user through the World Wide Web, by way of a Web browser or other Web-enabled software .

03.E-Marketing  also referred to as i-marketing, web marketing, online marketing, or eMarketing, is the marketing of products or services over the Internet..

04.Web HostingA web hosting service is a type of Internet hosting service that allows individuals and organizations to provide their own website accessible via the World Wide Web.