Acts are linked by two plot factors or turning points, with the first turning issue connecting Act I to Act II, and the second connecting Act II to Act III. The conception from the 3-act composition is attributed to American screenwriter Syd Discipline who explained plot structure in this tripartite https://www.farukhnagarplots.com/how-farukhnagar-and-pataudi-are-becoming-key-real-estate-destinations-in-2025/