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 tutor is an instructor who gives private lessons. wikipedia.org

Presentation is the practice of showing and explaining the content of a topic to an audience or learner. wikipedia.org

A literature review is a body of text that aims to review the critical points of current knowledge including substantive findings as well as theoretical and methodological contributions to a particular topic. wikipedia.org

The Pulitzer Prize for Editorial Writing has been awarded since 1917 for distinguished editorial writing, the test of excellence being clearness of style, moral purpose, sound reasoning, and power to influence public opinion in what the writer conceives to be the right direction.

Copywriting is the use of words and ideas to promote a person, business, opinion or idea. wikipedia.org

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