Page 18 - Song Maps - A New System to Write Your Best Lyrics - Simon Hawkins

Drawing it in 3D provides a much better representation of my house (believe it or not!). We can see how deep the house is. How far back the garage goes. That there is indeed a terrace at the front. That there's a boat at the side of the house, not a shed. We can see how thick the chimneys are and that there are no windows at the sides of the house.
In the same way, writing lyrics in 3D provides a much more complete picture because it uses all three dimensions of the lyric:
Title (or theme) Structure, AND Plot development