A commission is a where the artist is hired and paid to create artwork, where a patronage is when the artist is given financial support through others to provide these artworks.
Explanation:
The term "pixel" is actually short for "Picture Element." These small little dots are what make up the images on computer displays, whether they are flat-screen (LCD) or tube (CRT) monitors. The screen is divided up into a matrix of thousands or even millions of pixels
