Keyword research is a practice used by search engine optimization professionals to find and research actual search terms people enter into the search engines when conducting a search. 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

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

Analysis of data is a process of inspecting, cleaning, transforming, and modeling data with the goal of highlighting useful information, suggesting conclusions, and supporting decision making. wikipedia.org

Proofreading (also proof-reading) is the reading of a galley proof or computer monitor to detect and correct production-errors of text or art. Proofreaders are expected to be consistently accurate by default because they occupy the last stage of typographic production before publication. wikipedia.org

Writing in these forms or styles is usually written in an impersonal and dispassionate tone, targeted for a critical and informed audience, based on closely investigated knowledge, and intended to reinforce or challenge concepts or arguments. wikipedia.org

Research and development (R&D, R+D, or R'n'D), known in Europe as research and technological development (RTD), refers to innovative activities undertaken by corporations or governments in developing new services or products, or improving existing services or products. wikipedia.org

"Journalism is the activity or product of journalists or others engaged in the preparation of written, visual or audio material intended for dissemination through public media with reference to factual, ongoing events of public concern."

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

News writing style is the prose style used for news reporting in media such as newspapers, radio and television. News style encompasses not only vocabulary and sentence structure, but also the way in which stories present the information in terms of relative importance, tone, and intended audience.

A ghostwriter is a professional writer who is paid to write books, articles, stories, reports, or other texts that are officially credited to another person. wikipedia.org