It is a geometric system using straight lines and arcs written horizontally, vertically or diagonally to represent consonants.
The book is named after a line in a poem Vicious wrote some time after Nancy's death:
The line was "most likely" written by Ken Keeler.
The secretary took a piece of blank paper from his suit jacket, wrote some lines.
In notes included to the 1796 edition of Coleridge's poems, line 57 has written:
The true lines are not writing, nor speech either.
Never wrote me a line in his life.
- The first eight lines were plainly and strongly written, .
Lady Gillian was already at the stranger's side, lines of worry clearly writ on the smoothness of her brow.
