SEO
Search engine optimization (SEO) is a set of methods aimed at improving the ranking of a website in search engine listings. The term also refers to an industry of consultants that carry out optimization projects on behalf of clients' sites.
Internet marketing is the use of the Internet to advertise and sell goods and services. Internet Marketing includes pay per click advertising, banner ads, e-mail marketing, search engine marketing (including search engine optimization), blog marketing, and article marketing.
Website promotion
Website promotion is the continuing process to promote a website to bring more visitors to the website. Many techniques such as content development, search engine optimization (also known as SEO), and search engine submission, are used increase the traffic to a site.
Domain Names
Domain names are hostnames that provide rememberable names to stand in for numeric IP addresses. They allow for any service to move to a different location in the topology of the Internet (or another internet), which would then have a different IP address.