What does 'Freeform Drawing' allow you to do in PowerPoint?

The option that mentions creating custom shapes and lines by drawing freely on the slide accurately describes the functionality of 'Freeform Drawing' in PowerPoint. This feature enables users to draw shapes and lines by hand, offering a high level of creativity and flexibility that is not restricted by predefined shapes or templates. It allows for unique designs, illustrations, and annotations that can enhance presentations by adding a personal touch or emphasizing specific points visually. Users can create any shape or line that reflects their concept, making it a valuable tool for customizing slides to meet specific design needs or preferences.