Theater (building) in the context of "Operating room"

Calydon (/ˈkælɪdɒn/; Ancient Greek: Καλυδών, Kalydōn) was a Greek city in ancient Aetolia, situated on the west bank of the river Evenus, 7.5 Roman miles (approx. 11 km) from the sea.Its name is most famous today for the Calydonian boar that had to be overcome by heroes of the Olympian age.

An operating theater (or operation theater, OT; also known as an operating room or OR, as well as an operating suite or operation suite) is a facility within a hospital where surgical operations are carried out in an aseptic environment.

Historically, the term operating theater referred to a non-sterile, tiered theater or amphitheater in which students and other spectators could watch surgeons perform surgery. Contemporary operating rooms are usually devoid of a theater setting, making the term operating theater a misnomer in those cases.

The fourth wall is a performance convention in which an invisible, imaginary wall separates the actors from the audience. While the audience can see through this "wall", the convention assumes that the actors behave as if they cannot. From the 16th century onward, the rise of illusionism in staging practices—culminating in the realism and naturalism of the theatre of the 19th–century—led to the development of the fourth wall concept.

The metaphor relates to the mise-en-scène behind a proscenium arch. When a scene is set indoors and three of the room's walls are depicted onstage—forming what is known as a box set—the "fourth" wall lies along the line (technically called the proscenium) dividing the stage from the auditorium, effectively where the audience sits. However, the fourth wall is a theatrical convention, not a feature of set design. Actors ignore the audience, focus entirely on the fictional world of the play, and maintain immersion in a state that theatre practitioner Konstantin Stanislavski called "public solitude" —the ability to behave privately while being observed, or to be "alone in public." This convention applies regardless of the physical set, theatre building, or actors' proximity to the audience. In practice, actors often respond subtly to audience reactions, adjusting timing—particularly for comedic moments—to ensure lines are heard clearly despite laughter.

Starlight Theatre is a 7,739-seat outdoor theater in Kansas City, Missouri, United States that presents Broadway shows and concerts. It is one of the two major remaining self-producing outdoor theatres in the U.S. and Starlight's Cohen stagehouse also permits it to present many national Broadway touring shows.

The Tower Theater is a currently-closed music venue in Upper Darby Township, Pennsylvania, a suburb of Philadelphia. It opened in 1927, and has been a globally popular venue for music acts since the 1970s. In 2018, the Tower Theater was named one of the ten best live music venues in the United States by Rolling Stone magazine.

Known for its acoustic properties, the venue has been used for recording live albums by many bands. It is a theater located in the Terminal Square section of Upper Darby Township, Pennsylvania at the intersection of 69th and Ludlow Streets. It is adjacent to 69th Street Terminal just outside of West Philadelphia.

The Capitol Theatre is a heritage-listed theatre located at 3–15 Campbell Street, Haymarket, in the Sydney central business district, Australia. It was designed by Henry Eli White and John Eberson and built from 1893 to 1928. The property was added to the New South Wales State Heritage Register on 2 April 1999. The former circus venue, atmospheric theatre and market venue is owned by Capitol Theatre Management Pty Limited, a wholly owned subsidiary of Foundation Theatres Pty Limited, which also owns the Sydney Lyric.