For optimal results, describe using the following pattern: "A square/rounded/circular icon features a [color] + [object] against a [background color]. [details]"

For example,
1. A square icon features a white popsicle against a light green background. The popsicle is centrally positioned and features a simple, flat design with clean lines.

2. A square icon features a bold, coral-red "F" against a white background. The letterform is stylized with subtly rounded edges and a slightly swirled top, giving it a modern and friendly feel.

3. A square icon features a dark gray battery against a white background. The battery is centrally positioned and features two smaller, equally-spaced dark gray indicators within its outline.