Black Square and Red Square

So you can call this a

warning shot.
test pattern.
tenative whisper.

hey what’s up.
demo tape.
sound check.
if you ever.
tributary river.
catalyst.

midterm essay.
non-fatal overdose.
down-payment.

dress rehearsal.
pre-emptive strike.
A before B.
less than three.
question mark.
low tide.

breath before a word.
calm before.
reading the launch codes.
knock-knock joke.
drumstick count off.

idea without words.