---
root:
  items:
    - type: line                    # short, horizontal
      baseline: 2
      start: 4
      end: 9
      width: 1
      orientation: horizontal
      color: green
      style: solid
    - type: line                    # short, vertical
      baseline: 12
      start: 14
      end: 19
      width: 1
      orientation: vertical
      color: red
      style: solid
    - type: line                    # long, horizontal
      baseline: 32
      start: 34
      end: 234
      width: 3
      orientation: horizontal
      color: blue
      style: solid
    - type: line                    # long, vertical
      baseline: 52
      start: 54
      end: 254
      width: 3
      orientation: vertical
      color: black
      style: solid