• A set of rules that determines the directionality of bidirectional Unicode text, i.e., the positioning of characters in text with characters that flow from left to right, but also from right to left (like Arabic or Hebrew). The UBA is described in Unicode Standard Annex #9. ↑ unicode.org/reports/tr9

1. Previous term: Unicode
2. Next term: Unicode Consortium
3. Random term: Product backlog item