SEO(Search Engine Optimization)
SEO is the process of improving the volume and quality of traffic to a website from web sites through algorthimic search results.Search Engine may be used to describe web site designs,menus,contentmanagement systems .
ContentManagement System(CMS):
CMS is a software used for content management.In many companies CMS is used to store the files in a non proprietary format.Content managed includs computer files,audio files and electronic documents.
Web content management system is used for web site management.
In SEO i got the term LSI,here few term about LSI
Latent Semantic Indexing is comparing the content with the existing websites