Assunto: Focus marking,Referential links,Idiomatic expressions,Bimodal bilingualism,Cross-linguistic influence,Italian Sign Language (LIS),Signers,Italian Sign Language,Reference tracking,Iconicity,Deaf Culture,Non-manual markers (NMMs),Idioms,Referential chains,Signs,Spoken Italian,Sign languages,Deaf signing children,Coverbal gestures,Multimodality,Mouthing