8) Source Footnotes Panel Sketch size: rectangle ~10 cm Ă 6 cm Steps: Draw an AI response paragraph inside a bubble. At the end of one sentence add a small bracketed number like [1]. On the right side of the sketch area draw a narrow vertical box labeled âSourcesâ. In the sources box list numbered lines matching the footnote: 1. WHO report (summary) 2. Academic review Draw a dotted line from the bracketed [1] to item 1 in the sources box. Add a tiny âiâ icon for more info. See more