H04 · What is outside?
Imagine a still frame or direct a paper rectangle; no camera/photo needed.
Complete source
An invented frame shows one large boot drawing; outside the frame is unspecified. Caption: There is only one boot anywhere.
Own invitation
Give the pictured boot a useful caption.
Point, draw, tell, write, sign/AAC or direct a faithful helper. A short contribution, private/pass/return can work.
Grown-up model · after an own try
One frame does not establish an off-frame total.
Next notice: Own caption names the frame without inventing unseen boots.