实心平行四边形 ▰

You might have seen this symbol in mathematics, design, and textual graphics.

It is a parallelogram, a geometrical shape, the opposite sides of which are parallel and equal in length. The opposite angles and sides of parallelogram are also equal. Due to such an extraordinary form, it has become very popular, and various companies and brands tend to use it in their logos.

On geographic map legends, black parallelograms often indicate deposits of oil shale.

With this symbol, you can create various combinations to decorate a web page, as well as embellish your nickname or text header. It can also be used to create puzzles.

In pictograms, a black parallelogram can indicate the black color of a specific item.

符号 「实心平行四边形」 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。