SEO content is any content created with the goal of attracting search engine traffic. wikipedia.org

Writing is a medium of communication that represents language through the inscription of signs and symbols. wikipedia.org

A speechwriter is a person who is hired to prepare and write speeches that will be delivered by another person. Speechwriters are used by many senior-level elected officials and executives in the government and private sectors. wikipedia.org

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. wikipedia.org

Content creation is the contribution of information to any media and most especially to digital media for an end-user/audience in specific contexts. wikipedia.org

A blog is a personal journal published on the World Wide Web consisting of discrete entries ("posts") typically displayed in reverse chronological order so the most recent post appears first. wikipedia.org

Professional writing involves the use of clear language to convey information in a way that is easily understood by the intended audience. Individuals who can use language well may be employed as full-time professional writers in a variety of communications-related occupations, such as wikipedia.org

An article is a written work published in a print or electronic medium. It may be for the purpose of propagating the news, research results, academic analysis or debate. wikipedia.org