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

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

Whiteboard animation is a process where a creative story and storyboard with pictures is drawn on a whiteboard (or something that resembles a whiteboard) by artists who record themselves in the process of their artwork. wikipedia.org

Office administration is a set of day-to-day activities related to financial planning, billing and recordkeeping, personnel, and physical distribution and logistics, within an organization. wikipedia.org

Voice acting is the art of providing voices for animated characters (including those in feature films, television programs, animated short films, and video games) and radio and audio dramas and comedy, as well as doing voice-overs in radio and television commercials, audio dramas, dubbed foreign

VideoScribe is software for creating whiteboard animations automatically.

An illustration is a displayed visualization form presented as a drawing, painting, photograph or other work of art that is created to elucidate or dictate sensual information (such as a story, poem or newspaper article) by providing a visual representation graphically. wikipedia.org

Adobe Photoshop is a graphics editing program developed and published by Adobe Systems Incorporated. wikipedia.org

Adobe Illustrator is a vector graphics editor developed and marketed by Adobe Systems. 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