Subtitles are textual versions of the dialog in films and television programs, usually displayed at the bottom of the screen. They can either be a form of written translation of a dialog in a foreign language, or a written rendering of the dialog in the same language, with or without added 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

Graphic design is a creative process - most often involving a client and a designer and usually completed in conjunction with producers of form (i.e., printers, signmakers, etc.) _ undertaken in order to convey a specific message (or messages) to a targeted audience. wikipedia.org

VideoScribe is software for creating whiteboard animations automatically.

Transcoding is the direct digital-to-digital data conversion of one encoding to another, such as for movie data files or audio files. wikipedia.org

YouTube is a video-sharing website on which users can upload, view and share videos. wikipedia.org

Video editing is the process of editing segments of motion video production footage, special effects and sound recordings in the post-production process. wikipedia.org

2D computer graphics is the computer-based generation of digital images mostly from two-dimensional models (such as 2D geometric models, text, and digital images) and by techniques specific to them. wikipedia.org