Difference between Search Engine Marketing and Internet Marketing is better defined from the terms actually used. Search Engine Marketing follows the rules and pattern to market the product for Search Engine only. While for Internet Marketing we have to follow the rules and pattern to market on the internet.
There are many Search Engines but Google, Yahoo and Bing are at the top. To market your product to come up in the search engine we have to follow the rules and guidelines of the respective search engine. Within respective Search Engines there are again two kinds of Search Engine Marketings; 1- Search Engine Optimization which is done through some human resources, mostly. 2- Paid marketing for the Search Engine in which we pay to search engine to market for us.
Internet contain many things like Search Engines, Social Media, Email, etc. Now when we talk about Internet Marketing we have to take care of each element of Internet to market our product according to its set rules and regulation.