Two senses have already been distinguished: language as a universal species-specific capability of the human race and languages as the various manifestations of that capability, as with English, French, Latin, Swahili, Malay, and so on.
Thus (L1) is the study of formal languages of which one is distinguished, and this one distinguished language nicely represents the fixed and non-fixed features of our natural language, through its logical and non-logical vocabulary.
In particular, we cannot extend to the discussion of art those theories that show how we understand language in terms of its peculiar syntactic and semantic structure, for such theories always seem to rely precisely on what is peculiar to language and what distinguishes language from, say, music, painting, and architecture.
It also provides a mechanism for understanding how the brain distinguishes language from other sounds, he says, and that could lead to insight into how the brain evolved circuits to understand speech.
Saussure also introduced several basic dimensions of linguistic analysis that are still fundamental in many contemporary linguistic theories, such as the distinctions between syntagm and paradigm, and the Langue-parole distinction, distinguishing language as an abstract system (langue), from language as a concrete manifestation of this system (parole).
This non-fluency also distinguishes language variant AD from the second atypical AD language syndrome, logopenic progressive aphasia (LPA).
One can distinguish languages with a relatively rich phonemic inventory from languages with a relatively poor phonemic inventory, languages with a high ratio of consonants to vowels from languages with a low ratio of consonants to vowels, languages with a fixed word order from languages with a free word order, prefixing languages from suffixing languages, and so on.
Mutual intelligibility is the linguistic criterion used to distinguish languages from dialects.
Ethnicity is a complex concept and it is difficult to measure and distinguish languages between ethnic groups [ 52].
Many other languages distinguish words suprasegmentally by tone.
In his discussion of language Locke distinguishes words according to the categories of ideas established in Book II of the Essay.
