Refers to an artefact created for the purpose of communicating a message from a specific set of information or data in a visual manner (e.g. images, diagrams, infographics, animations), or any techniques that can be used to create such artefacts.
Data visualization is the graphical representation of information and data. - reference: https://www.tableau.com/learn/articles/data-visualization
Information Visualization : The use of computer-supported, interactive visual representations of data to amplify cognition. - Card, Mackinlay Shneiderman ‘98
Any technique for creating images, diagrams, or animations to communicate a message. - Visualization (computer graphics). (25 May 2012). In Wikipedia. Retrieved May 31, 2012