1. Lesson's headings
    1. Lists
    2. Tables
    3. Frames

  2. Definitions
  3. Definitions lists
    A definition list is not a list of items. This is a list of terms and explanation of the terms.
    Frames
    With frames, you can display more than one HTML document in the same browser window. Each HTML document is called a frame, and each frame is independent of the others.