Working directly with the director, cinematographer, and producer, production designers have a key creative role in the creation of motion pictures and television.
Depending on the size of the production the rest of the team can include runners, graphic designers, drafts people, props makers, and set builders.
A more specific example is The Wizard of Oz, in which we know the story takes place on a farm because of the bale of hay Dorothy leans on and the animals around, as well as the typical wooden fence.
Jon Boorstin states in his book, Making Movies Work Thinking Like a Filmmaker, that the background, the camera motion or even the sound effect is considered well-done if the viewer does not notice their appearance.
[6] In the United States and British Columbia, production designers are represented by several local unions of the International Alliance of Theatrical Stage Employees (IATSE).