Answer:
The element that can help you keep track of details and events in a book or play Is:
graphic organizer
Step-by-step explanation:
Two elements can help you keep track of details and events in a book or play. However, only one of those is specially performed to achieve that objective. Now, reading the dialogue will always help you do it. But it won't be efficient if you lack time. However, a graphic organizer will focus especially on details, and events. Because they don't include anything else that the most important events in a timeline. Also because reading the dialogue is a "must" to know what the play is about, but a graphic organizer is a specialized tool of organization.