One-page concept explainer

Nano Banana Pro prompt, 3:4 frame.

An educational one-page explainer about [topic] for [audience]. Title at the top: "[title]". A central labelled illustration showing [main components]. Three numbered steps down the right side explaining how it works, each with a small icon and one short sentence. A "Remember" box at the bottom with one key fact. Clean flat illustration style, [palette] colours, generous white space.