U+1F794 "🞔" White Square Containing Black Very Small Square Unicode Character

U+1F794 "🞔" White Square Containing Black Very Small Square is a symbol from the Geometric Shapes Extended block, representing a white square at its outer boundary with a much smaller black square centered inside it. This design creates a visual effect of a thick white frame surrounding a tiny black core, often used in technical diagrams, abstract iconography, or as a decorative element in text. Its inclusion in Unicode allows for consistent representation across digital platforms, though it is relatively rare in everyday writing due to its specialized geometric nature.