set.  FLIPPER.—­Scenery extension—­particularly used to contain curtained entrance to One, and generally set at right angles to the proscenium arch (which see).  FLIRTATION ACT.—­An act presented by a man and a woman playing lover-like scenes.  FLY-GALLERY.—­The balcony between the stage and the grid iron, from where the scenery is worked.  FLYMEN.—­The men assigned to the fly-gallery.  FOUR.—­The stage space six or more feet behind the rear boundaries of Three.  FRONT OF THE HOUSE.—­The auditorium in front of the curtain.  FULL STAGE.—­Same as Four.  GAG.—­Any joke or pun.  See “POINT.”  GENRE.—­Kind, style, type.  GET OVER, TO.—­To make a speech or entire act a success.  GLASS-CRASH.—­A basket filled with broken glass, used to imitate the noise of breaking a window and the like.  GO BIG.—­When a performer, act, song, gag, etc., wins much applause it is said to “go big.”  GRAND DRAPERY.—­See “DRAPERY, GRAND.”  GRIDIRON.—­An iron network above the stage on which is hung the rigging by which the scenery is worked.  GRIP.—­The man who sets scenery or grips it.  HAND, TO GET A.—­To receive applause.  HOUSE CURTAIN.—­The curtain running flat against the proscenium arch; it is raised at the beginning and lowered at the end of the performance; sometimes use to “close-in” on an act.  INTERIOR BACKING.—­See “BACKING, INTERIOR.”  JOG.—­A short flat used to vary a set by being placed between regulation flats to form angles or corners in a room.  LASH-LINE.—­Used on flats to join them tightly together.  LEAD-SHEET.—­A musical notation giving a melody of a popular song; a skeleton of a song.  LEGITIMATE.—­Used to designate the stage, actors, theatres, etc., that present the full-evening play.  MELODRAMA.—­A sensational drama, full of incident and making a violent appeal to the emotions.  MUGGING.—­A contortion of the features to win laughter, irrespective of its consistency with the lines or actions.  OLIO.—­A drop curtain full across the stage, working flat against the tormentors (which see).  It is used as a background for acts in One, and often to close-in on acts playing in Two, Three and Four.  ONE.—­That part of the stage lying between the tormentors and the line drawn between the bases of the proscenium arch.  OPEN SET.—­A scene composed of a rear drop and matching wings, and not “boxed”—­that is, not completely enclosed.  See “BOX SET.”  PALACE SET.—­Palace scene.  PART.—­Noun:  the manuscript of one character’s speeches and business; the character taken by an actor.  Verb:  to take, or play, a character.  PLAY UP, TO.—­To pitch the key of a scene high; to play with rush and emphasis.  PLUGGER.—­A booster, a singer who sings new songs to make them popular.  POINT.—­The laugh-line of a gag (see “GAG"), or the funny observation of a monologue.  PRODUCE, TO.—­To mount a manuscript on the stage.  PRODUCER.—­One who produces plays, playlets, and other acts.  PROPERTIES.—­Furniture, dishes, telephones, the what-not employed to lend reality—­scenery