Braille dots 123678

The numbers identify positions, not a universal letter. An eight-dot Braille cell has two columns of four positions. From top to bottom, the left column is numbered 1, 2, 3, 7; the right is 4, 5, 6, 8. In ⣧, positions 4 and 5 are empty.

Unicode preserves that arrangement rather than assigning it a word or pronunciation. To decode it as writing, you need the relevant Braille system and surrounding text. Braille is a way of writing languages through touch, not a language of its own. Eight-dot Braille is used, among other purposes, to represent computer text.

Raised dots made reading tactile

Braille is read by feeling raised dots on paper or on a device with movable pins. A flat screen shows their arrangement visually; displaying ⣧ does not itself create a touch-readable surface.

Before Braille, Valentin Haüy produced raised-letter text in 1786. In 1821, Charles Barbier introduced his raised-dot “night writing” at a Paris school for blind students. Louis Braille adapted the idea into compact six-dot cells readable with a fingertip. The eight-dot layout extends that cell with two bottom positions. Braille also has systems for music and mathematics.