What is the meaning of "OS" in the special words of the script?

In the format of script dialogue, sometimes you will see "(O.S.)" next to the character name. O.S. is not on the screen, and the character is still in the scene, but it is not displayed on the screen at this time. If your character is talking to a person in the bathroom, although you hear their voices, you can't see the people in the bathroom. This is an operating system. ..

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Scripts are divided into literary scripts and photographic scripts.

Literary scripts are scripts with outstanding literariness and low sense of photography, including drama scripts (or drama scripts), novel scripts (or drama novels), sketch scripts, cross talk scripts and so on.

Photography script is a script that highlights the sense of shooting, and its literary artistry can be high or low (depending on the comprehensive situation of film theme, market and investment). ), including split-mirror scripts, split-mirror scripts (split-mirror scripts or movie scripts), Taiwan Province scripts, etc.

The script is the text basis of dramatic art creation, and directors and actors perform according to the script. Words similar to scripts also include scripts, scripts and so on. It is a literary style with the first-person narrator's style as the main way to express stories.

Script is one of the necessary tools for stage performance or film shooting, the reference language of the characters in the play, and an artistic style serving the stage performance, which is different from drama and other literary styles.

The stage description in the script is a narrative word written in the playwright's tone. Including the description of the time and place of the plot, the description of the characters' image characteristics, body movements and inner activities, the description of the scene and atmosphere, and the requirements for scenery, lighting and sound effects.

The script is mainly composed of lines and stage descriptions. The first-person narrator is used in dialogues, monologues and narrators, and lyrics are often used in operas and operas.

Baidu Encyclopedia-Script