Deviation

[Sarah]

Invented by Jark, Spyed and Matteo of DeviantART.com - the largest online community of art anywheres. Artists on the site are known as Deviants and the artworks they produce (which can fall into so many categories, that the word art is not broad enough) are called Deviations

[Rihanna]

The action of departing from an established course or accepted standard.

[Sommer]

Deviation in Show Jumping. When a competitor fails to follow the set course by going around the wrong side of the flag, taking an obstacle out of the correct order, missing one or jumping an obstacle that is not part of the course.