South-South dialect or language, or a language issue, also known as the language spoken in the South, including the southern part of the country, such as Thailand, Nakhon SI thammarat. Phatthalung-Trang Surat Thani, etc.
Southern dialect or the language or languages as a Southerner are spoken in southern Thailand, Trang, Surat Thani, Nakhon Si Thammarat, Phatthalung, and so on.
Southern dialect or language, or in other words, a southern language: language พูดกัน in southern Thailand, such as Nakhon Si Thammarat. Phatthalung, Trang, Surat etc. .