U+06E0 "۠" Arabic Small High Upright Rectangular Zero Unicode Character

U+06E0 "۠" Arabic Small High Upright Rectangular Zero is a diacritical mark used in historical and religious Arabic texts, primarily serving as a placeholder or marker to indicate a zero or empty value in certain orthographic or numerological systems, distinct from the standard Arabic numeral zero. It appears as a small, upright rectangular shape positioned above the baseline, and its usage is rare in modern Arabic script, typically confined to specialized editions of the Quran or scholarly transcriptions where precise notation of vowel absence or syllable boundaries is required. This character belongs to the Unicode block for Arabic, supplementing the system of diacritics known as tashkīl, and its inclusion ensures accurate digital representation of ancient manuscripts without compromising textual fidelity.