The Arabic Presentation Forms-A block spans U+FB50–U+FDFF, 688 codepoints in Plane 0 (Basic Multilingual Plane). 631 are assigned in Unicode 16.0; the other 57 are reserved for future characters.

By script: Arabic (629), Common (2).

By general category: 591 other letters (Lo), 20 other symbols (So), 17 modifier symbols (Sk), 1 closing brackets (Pe), 1 opening brackets (Ps), plus smaller groups.

The first 593 arrived in Unicode 1.1 (1993); later additions came in 3.2 (1), 4.0 (1), 6.0 (16), 14.0 (20).

592 characters here have compatibility decompositions: they are formatting variants of other characters and are replaced by them under NFKC and NFKD. See normalization.

Most letters here are written right to left. See bidirectional text.