Definition: The word "theatre" typically refers to a form of performance art that uses live actors, music, sound effects, and lighting to create a visual and auditory experience. The term "theater" can also refer to a type of theater performance, but it is usually used to describe the actual physical stage or venue for productions. The word "theatrical" generally refers to an event where performers are dressed up as characters from a play, opera, musical, or other dramatic form, and actors perform in front of live audiences. The term "theatre" may also refer to a theatrical production that is performed on a stage or in the theater. The definition of "theatre," "theater," and "theatrical" can vary depending on the context. Some definitions might include elements such as stage design, lighting, costumes, music, set pieces, and special effects. Other definitions might focus more on the physical spectacle of performance itself, rather than the specific form or venue for a particular performance. Overall, "theatre" is an umbrella term that encompasses a wide range of activities related to the arts, including theater productions and performances in general. It can also be used as a distinct name or title for different forms of theatrical art, depending on the context or audience.