The term "finale" has multiple meanings, depending on its context.
In general usage, a finale is an event or occasion that marks the end of something, such as a concert, play, movie, or television series. It refers to the final part or performance in a sequence, often being grand and memorable. For example, "The season finale of Game of Thrones was full of surprises."
In music, specifically orchestral composition, a finale is the last movement of a symphony or sonata. In this context, it refers to the final section of a piece that brings together themes and motifs from previous movements in an energetic and triumphant manner. An example would be "Beethoven's Ninth Symphony has four movements, but its finale is particularly famous for its choral setting of Schiller’s Ode to Joy."
In literature, a finale refers to the final part or chapter of a story that brings everything together in a climactic conclusion. For example, "The novel had an exciting finale, with all the loose ends being tied up and the main character achieving their goal."