Does the movie have an important message? A smash hit musical has been adapted into a Hollywood blockbuster starring Broadway veteran Cynthia Erivo and popstar Ariana Grande.
Wicked is dream come true says Grande
Movie magic: Ariana Grande (above left) faced tragedy when a terrorist attack killed her fans at a concert and her ex-partner died suddenly. Now she says she has poured her feelings of loss into her performance. Glossary
Judy Garland - An American actress and singer who was born in 1922 and died in 1969. She achieved international stardom.
Parable - A story told with a moral or spiritual purpose.
Subjugate - Forcefully bring under control.
Sentient - Able to perceive or feel things.
Totalitarian - When a political system or leader requires complete subservience to the state. In a totalitarian system, people are not allowed to express their own opinions.
Repression - The act of subsiding something by force. Repressive is usually used negatively, often to describe the activities of authoritarian states.
Discrimination - When people are treated unfairly due to characteristics such as gender, race and age.
Nuance - When an issue has fine distinctions; is subtle.
Equivocal - Uncertain or ambiguous. It comes from the Latin words "aequus" (equal) and "vocare" (to call).