fanart

(also "fan art")
Art of any form, usually electronic or drawn free hand, that uses characters or settings from a popular television show, novel, cartoon, anime, or movie as the subject. See also wordslashword

unofficial, fan drawn artwork based on a videogame or other work of fiction

fanart is drawing something your a fan of or a drawing of something what a fan drew, they can be often nsfw content

Sometimes "fan-art" but either way they have one and the same meaning, any art expressed through the means of digital creation, usually made with screencaptures from television shows (Buffy, whatever) or anything popular, if you're going to make some fanart (or fan-art) then Photoshop is the way to go, for Paint Shop Pro limits most of the user's creativity with the oh-not-so amazing tools. Which Jasc claimed to be new and greatly improved.

Drawings, digital art, or other tributes made towards a show, band, or person.

A serious connoisseur of digital NFTurd (Non Fungible Turd) artwork is said to be a FanART collector or often abbreviated as "FART Collector" in the NFTz community.

A piece of art or an illustration made by a fanatic of a particular, usually popular, person, figure and/or film and tv or something else for or of this thing in a way to express liking the subject