Worldbuilding is the process of constructing an imaginary world or
setting, sometimes associated with a fictional universe. Developing the
world with coherent qualities such as a history, geography, culture and
ecology is a key task for many science fiction or fantasy writers.
Worldbuilding often involves the creation of geography, a backstory,
flora, fauna, inhabitants, technology and often if writing speculative
fiction, different peoples. This may include social customs as well as
invented languages for the world.
The world could encompass different planets spanning vast distances of
space or be limited in scope to a single small village. Worldbuilding
exists in novels, tabletop role-playing games, and visual media such as
films, video games and comics. Prior to 1900, most worldbuilding was
conducted by novelists, who could leave imagination of the fictional
setting in part to the reader. Some authors of fiction set multiple
works in the same world. This is known as a fictional universe. For
example, science fiction writer Jack Vance set a number of his novels in
the Gaean Reach, a fictional region of space. A fictional universe with
works by multiple authors is known as a shared world. One notable
example of such is the Star Wars Expanded Universe.
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