Adaptation is the process of changing a work of art from one medium to another, such as from a play to a film or a novel to a play.

Direct adaptations are those that are very faithful to the original work, while indirect adaptations are those that take more liberties with the original work. Mixed adaptations are those that fall somewhere in between.

All of the above are challenges that can arise when adapting a play for a different medium. The medium itself may have different limitations and affordances than the original medium, the audience for the adaptation may be different from the audience for the original work, and the genre of the adaptation may be different from the genre of the original work.

All of the above are ways in which adaptations can have a positive impact on the original work. Adaptations can make the original work more accessible to a wider audience by translating it into a different language or by adapting it for a different medium. Adaptations can also introduce new interpretations of the original work by changing the setting, the characters, or the plot. Finally, adaptations can help to preserve the original work for future generations by keeping it in circulation and by making it available to new audiences.

All of the above are examples of famous adaptations of plays. Romeo and Juliet by William Shakespeare has been adapted into numerous films, television shows, and operas. The Lion King by Disney is an animated film that is based on the play Hamlet by William Shakespeare. The Wizard of Oz by L. Frank Baum has been adapted into numerous films, television shows, and stage musicals.