Sign languages differ from spoken languages in several ways in terms of acquisition and evolution. Here are some key differences: 1. MODALITY Spoken languages are auditory-vocal, whereas sign languages are visual-gestural. Due to this fundamental difference in modality, spoken languages rely on sound patterns to transmit meaning, whereas sign languages use handshapes, facial emotions, and body movements. 2. ACQUISITION Deaf or hard-of-hearing children who are exposed to sign language from their caregivers or through early education programs generally start learning sign languages at a young age. 3. LIINGUISTIC STRUCTURE Languages spoken by people who use sign language have their own unique phonology, morphology, syntax, and semantics. They are more than just pictures of spoken languages. 4. EVOLUTION Like spoken languages, sign languages can change through time. Grammatical structures can evolve, new signs can appear, and old signs can become obsolete. 5. WRITING A few of the writing systems that have been developed to represent sign languages include glossing (writing signs in a linear format), sign writing, and video recordings. The modalities, linguistic structures, evolution, and writing systems of spoken and sign languages vary. With their distinct grammar and cultural significance sign languages are rich and sophisticated languages in their own right. It has taken centuries for sign languages to develop, and it is a fascinating and intricate process. Here are some significant turning points in the history of sign languages: Origins in Antiquity: Sign languages have probably been around for as long as people have needed non-verbal means of communication. Historically, Deaf people have created their own systems of gestural communication, frequently in small, isolated settlements. Europe, 16th to 18th century: Pedro Ponce de León, a Spanish Benedictine monk, is frequently credited with founding one of the first known deaf schools in Spain, where he taught using a manual alphabet. Early in the 19th century, Thomas Hopkins Gallaudet and Laurent Clerc founded the American School for the Deaf, the nation's first permanent institution for the deaf. The creation of American Sign Language (ASL) was impacted by the expertise of French Sign Language that Clerc brought with him. The 20th century saw a significant increase in the acceptance of sign languages as unique and legal languages. To promote the rights and linguistic recognition of the deaf, groups like the World Federation of the Deaf (WFD) were founded. 1960s–1970s: Because of the efforts of scholars like William Stokoe, who published studies on ASL and showed that it had its own grammar and structure, the linguistic aspect of sign languages was officially acknowledged. Legal Recognition and Inclusivity: Many nations have established laws and policies to protect the rights of people who are deaf, including access to education and public services in sign languages. Sign languages are also now recognized as official languages in many of these nations. These turning points offer a broad picture of sign language evolution, but it's crucial to remember that sign languages are varied and continue to develop in deaf communities all over the world. They are still evolving, and they are very important to deaf people's cultural and linguistic identities. The following are some examples of how cultural and societal factors have influenced sign languages: Community Development: As a means of communication, sign languages frequently develop within Deaf communities. Even the very fact that there is a Deaf group has cultural and socioeconomic effects. Cultural Values and Identity: Sign languages are significantly influenced by cultural values and identity. Communities of the deaf frequently create signs that express their common beliefs, experiences, and identities. Technology and Globalization: As a result of technological advancements and a growing global population, more people are becoming familiar with other sign languages and cultures. In conclusion, the cultural and societal settings in which sign languages evolve are intricately entwined with the development of sign languages. Unlike spoken languages, sign languages have a number of distinctive qualities but what stands the most for me is its Iconicity: Signs can resemble the things or acts they stand in for, and sign languages frequently have a high level of iconicity. This iconicity can occasionally result in signs that are simpler to comprehend for those who are unfamiliar with the language and likely to be visually expressive.