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

Video production is videography, the process of capturing moving images on electronic media (e.g., video tape, direct to disk recording, or solid state storage like a tapeless camcorder) even streaming media. The term includes methods of production and post-production. 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 is a medium of communication that represents language through the inscription of signs and symbols. wikipedia.org

Animation is the rapid display of a sequence of images of 2-D or 3-D artwork or model positions in order to create an illusion of movement. The effect is an optical illusion of motion due to the phenomenon of persistence of vision, and can be created and demonstrated in several ways. wikipedia.org