SEO: Search engine optimization, the use of various techniques to improve a web site's ranking in the search engines and thus attract more visitors. The process of altering a document or website in order to improve search rankings of that document. SEO tends to focus on the organic (natural) or free listings. SEM: The SEM is an index of test uncertainty. It allows us to estimate the amount of each type of error associated with "true" scores. We can compute standard errors of measurement for raters, occasions and item samples. Statistically, the SEM is the standard deviation of the error scores of a test. SMM: SMM includes writing content that is remarkable, unique, and newsworthy. This content can then be marketed by popularizing it or even by creating a “viral†video on YouTube and other video sites A form of internet marketing which seeks to achieve branding and marketing communication goals through the participation in various social media networks (MySpace, Facebook, LinkedIn), social bookmarking (Digg, Stumbleupon), social media sharing (Flickr, YouTube), review/ratings sites SMO:SMO is a set of methods for generating publicity through social media, online communities and community websites. The focus is on driving traffic from sources other than search engines, though improved search ranking is also a benefit of successful SMO.
Search engine optimization (SEO) is the process of improving the visibility of a website or a web page in search engines via the "natural" or un-paid ("organic" or "algorithmic") search results. A scanning electron microscope (SEM) is a type of electron microscope that images a sample by scanning it with a high-energy beam of electrons in a raster scan pattern. The electrons interact with the atoms that make up the sample producing signals that contain information about the sample's surface topography, composition, and other properties such as electrical conductivity. Social media marketing (SMM) is a recent addition to organizations’ integrated marketing communications plans. Integrated marketing communications is a principle organizations follow to connect with their targeted markets. Integrated marketing communications coordinates the elements of the promotional mix;advertising, personal selling, public relations, publicity, direct marketing, and sales promotion. Social Media Optimization (SMO) or Social SEO is the methodization of social media activity with the intent of attracting unique visitors to website content. SMO is one of two online methods of website optimization; the other method is search engine optimization or SEO. I think it will be good for understanding all topics.Thanks!!