The individual hurdles and outside forces which affect the major character. Just when a character gets through one obstacle another arises. Complications seem to imply added information to the plot which the character may have not been aware of initially but now has to deal with. The luck of the character can also change from bad to good as well. Crises and Climaxes .
Crises refers to the issues in the plot at hand.
It is the decisions which the major characters are being forced to deal with. They ultimately will have to deal with the major issues and make a decision about this. Usually in theatre the decisions determine ultimately what the major character is made of or how there life will proceed. The action of the play is designed so that the maximum moments of tension center around the crises and the climax. This form of play structure may place limitations upon the play itself Scenes, locales and characters are restricted.