Ligatures thumb|243x243px|Components of a ligature for "Allah": 1. alif2. hamzat waṣl ()3. lām4. lām5. shadda () 6. dagger alif () 7. hāʾ The use of ligature in Arabic is common. There is one compulsory ligature, that for ل + ا, which exists in two forms. All other ligatures, of which there are many, are optional.
ligatureS THUmB|243x243Px|cOmponenTS Of A lIGAture for "alLah": 1. Alif2. hamzat wAṣl ()3. lām4. LĀm5. sHadda () 6. daggEr alif () 7. hāʾ ThE USe of liGatuRE In AraBIc is cOMmOn. There is oNE compulsory LIgature, That for ل + ا, wHiCH ExistS In twO foRms. all oTHer lIgaturEs, of wHiCH thErE aRe mANY, Are OPtiOnAl.