TLT vs. LL

The z dimension in this work is important to the conceptual as well
as the physical operation of the work. Normally, I am not so much
concerned beyond the xy. My work is first graphic, then literary,
interactive, and whatever else, so a concern beyond 2D is not high
priority – until now, and with thanks in part to Rita Raley’s z
queries.
The idea of 'versus' (as opposition) demands at the
least two sides, so, it could be represented visually with just xy.
Previous 'dual' examples (and these are xy representations):
    warnell.com/pbn_io/dialog04.htm. Subject: dialog
    Email from John Cayley (/w Rita Raley), 2004
    warnell.com/real/dialog.htm. Dialog
    Email exchange with visual poet Jim Andrews, 1997
So, thinking along that z line... the opposition
comes not from the left or right, but from back to front ( 1 white from
9 x white moves to top )
    layer structure (top/front to bottom/rear):
        top (white)
        red
        9 x variable gray/black (opposite source to below)
        9 x white (may be TLT source or LL source)
        gray 'page'
        background
The idea of the 'versus' taking the form of 'rising'
(coming to top/front) rather than 'pushing' (as it were) from
left/right -- this is a new way of thinking about it (opposition) for
me... thinking on z vs xy axis(!) This opens new conceptual
possibilities that I will continue to explore in future.