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The Arabic script has numerous diacritics, including i'jam (إِعْجَام, iʿjām), consonant pointing, and tashkil (تَشْكِيل, tashkīl), supplementary diacritics.The latter include the ḥarakāt (حَرَكَات) vowel marks—singular: ḥarakah (حَرَكَة).. The Arabic script is a modified abjad, where short consonants and long vowels are represented by letters but short ...