No it is not necessary to use graphic organizer for brainstorming.
A progression chart is a type of graphic organizer that would help you collect sequential information that you could use.
love
Coordinate Plane
You should use a graphic organiser during a presentation as it will emphasis to the people around you that your presentation is spectacular. It helps to make your presentation bolder and more visible and also help to make it stand out. It helps to impress your boss or bosses or someone important.
You would use a cluster/word web.
A Venn diagram would be a useful graphic organizer to compare and contrast the two main characters. This diagram allows you to identify similarities in the overlapping sections and differences in the separate sections. It can help you visually see how the characters are both similar and different from each other.
Graphic organizer
it is used to summarize the play and keep track of details
I am not sure if they have a specific name, but I do know that you can use it as a graphic organizer on novels, plays, or poems.
Venn Diagram
context chart
cluster