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

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

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

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

A newsletter is a regularly distributed publication generally about one main topic that is of interest to its subscribers.

Investment is the purchase of an asset or item with the hope that it will generate income or appreciate in the future and be sold at the higher price. wikipedia.org

"Equity Research is a division within either a buy-side or sell-side firm which is responsible for the research used by the firm and its clients. Despite the name, Equity Research can also include commodities, bonds are more along with equities. The purpose of an equity researcher is to provide insight and detailed analysis into a company, entity or sector and this information is then used by investors to decide how to allocate their funds."

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

Financial analysis (also referred to as financial statement analysis or accounting analysis) refers to an assessment of the viability, stability and profitability of a business, sub-business or project. wikipedia.org

A white paper is an authoritative report or guide that helps solve a problem. White papers are used to educate readers and help people make decisions, and are often requested and used in politics, policy, business, and technical fields.