Illustrations on the topic...
In order to understand what exactly we mean by “thematic illustration,” you just need to look at these very illustrations. Several old works. Institute times. Not everyone is worthy of attention...
Prometheus (gel pen)
Philosopher (gel pen)
Satellites (gel pen)
Who's moving the earth there? (ball pen)
Samurai (gel pen)
DRUG (gel pen)
He lost his ABC (pencil)
CAT'S TALE (gel pen)
Some kind of crap. ballpoint pen on cheap paper (the cheapest) A4
UNTITLED. Even cheaper paper (half A4)