U+FD06 "ﴆ" Arabic Ligature Sad with Yeh Isolated Form Unicode Character

U+FD06 "ﴆ" Arabic Ligature Sad with Yeh Isolated Form is a typographic ligature combining the Arabic letters Sad (ص) and Yeh (ي) into a single glyph, intended for use in certain calligraphic or Quranic text styles where such combinations preserve traditional aesthetics and readability. This character belongs to the Arabic Presentation Forms-A block, specifically designed for isolated or contextual positional forms, and it represents the isolated (standalone) version of the ligature. Its encoding facilitates digital representation of scripts where these two letters appear joined as a conventional unit, particularly in religious or classical Arabic manuscripts, without requiring separate space for each character.