A modified outline can be used in various situations, such as when you need to organize complex information, when you want to visually represent the structure of a document or presentation, or when you need to quickly brainstorm ideas and concepts. It can also be helpful when you want to create a detailed plan for a project or when you need to break down a large amount of information into manageable sections. Ultimately, a modified outline can be used whenever you need to visually organize and structure information in a clear and concise manner.