Rising action
Rising action and falling action
Climax
In Freytag's Pyramid, rising action usually precedes other plot events. This is where the story builds tension, develops the conflict, and leads up to the climax. Rising action typically includes events that complicate the main conflict and propel the story forward.
The rising action comes after the climax
In Freytag's pyramid the writer sets the stage for the rest of the plot during the climax.
The element that comes just before the denouement in Freytag's Pyramid is the falling action. This part of the story follows the climax and shows the consequences of the climax and begins to wind down the tension in the plot.
exposition, rising action, climax, falling action, and den
Freytag's Triangle
If you are talking about Freytag's pyramid, the "climax" is always Act 3. In terms of dramatic tension, this reaches its peak when Othello is about to kill Desdemona.
There is no climax. That's the irony of it. The story is like a vain endeavour because it doesn't follow the normal plot line (Freytag Pyramid)
Act III. But that is only because "climax" is defined as "Act III of a Shakespearean play" in the Freytag Pyramid theory of the structure of a Shakespeare play.
The falling action