U+FB51 "ﭑ" Arabic Letter Alef Wasla Final Form Unicode Character

U+FB51 "ﭑ" Arabic Letter Alef Wasla Final Form is a presentation form of the Arabic letter alef with a wasla diacritic designed specifically for the final position in a word. This character is used in the Arabic script to indicate the glottal stop or initial vowel sound when it occurs at the end of a word, such as in the definite article or certain prefixes, and it appears as a precursor to an unwritten hamza in specific orthographic contexts. It is part of the Arabic Presentation Forms-B block, which includes contextual glyph variants to support proper ligature shaping in complex text layout.