空心方形包含实心小型方形 ▣

This symbol represents a visual combination of two characters — □ and . It is used in programming, messaging, and geographic maps. There is also a Chinese character that visually resembles this symbol.

When it comes to writing texts, this symbol is used for and as a space filler.

As for chatting and social media, this kind of icon can be used to create a nickname.

It is interesting that the simplified Chinese language contains a similar character, the hieroglyph 回. It means 「return」 or 「go back.」

This symbol is often applied in the legend of geographic maps. There it commonly marks the locations of metallic ore deposits. Other meanings of the symbol include the capital of a country, the center of an administrative unit, or a major population center.

The white square containing the small black square is included in the .

符号 「空心方形包含实心小型方形」 包含在 「几何图形」 块的 「幾何形狀」 子块中，并在1993年作为Unicode版本1.1的一部分获得批准。