The Miscellaneous Symbols and Arrows block spans U+2B00–U+2BFF, 256 codepoints in Plane 0 (Basic Multilingual Plane). 253 are assigned in Unicode 16.0; the other 3 are reserved for future characters.

All of its characters have the script value Common: they are shared across writing systems rather than tied to one.

By general category: 226 other symbols (So), 27 math symbols (Sm).

The first 14 arrived in Unicode 4.0 (2003); later additions came in 4.1 (6), 5.0 (11), 5.1 (51), 5.2 (5), 7.0 (115), and 5 later versions.

7 of its characters are emoji, 4 of them shown as colour emoji by default. See emoji.