What is film opening?

 The film opening, alternatively referred to as the opening sequence or opening credits, constitutes the initial segment of a movie designed to establish the film's atmosphere, introduce its narrative, and captivate the audience. This pivotal segment typically encompasses various elements, including opening credits listing the cast and crew, carefully selected music, and the first scenes or shots that not only set the context but also evoke the film's tone and, at times, its central themes. Beyond its functional roles, the film opening plays a crucial role in capturing the audience's attention, acting as a teaser that entices viewers to invest their time in the entire cinematic experience. It serves as a preview, offering glimpses into the intriguing aspects of the movie and sparking curiosity, thereby encouraging the audience's commitment to the unfolding narrative.