Final answer:
Transitions should be placed between each main point in an outline to create a clear and smooth flow of ideas.
Step-by-step explanation:
Transitions should be placed between each main point in an outline. They help guide readers between paragraphs and show the relationship between different ideas. For example, you can use transitional words or phrases at the beginning of each paragraph in an outline to alert readers to the main points and the change from one point to another. Transitions are important in an outline to create a clear and smooth flow of ideas.