Functions are linked by two plot points or turning details, with the main turning stage connecting Act I to Act II, and the next connecting Act II to Act III. The conception from the 3-act composition continues to be attributed to American screenwriter Syd Industry who described plot construction in https://www.farukhnagarplots.com/why-commercial-plots-in-farukhnagar-and-pataudi-are-the-smartest-investment-of-2025/