What are the three types of outlines?

1. Topic outline: This type of outline uses short phrases or words to organize main ideas and subtopics in a hierarchical structure. It is often used to plan speeches or presentations.

2. Sentence outline: This type of outline uses complete sentences to outline main ideas and subtopics in a more detailed manner. It is commonly used for academic papers or essays.

3. Alphanumeric outline: This type of outline uses a combination of numbers and letters to organize main ideas and subtopics in a structured format. It is often used for more complex or detailed outlines.