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A mural in Teotihuacan, Mexico (c. 2nd century) depicting a person emitting a speech scroll from his mouth, symbolizing speech
Braille writing, a tactile variant of a writing system
Cuneiform is the first known form of written language, but spoken language predates writing by at least tens of thousands of years.
Two girls learning American Sign Language

A language is a structured system of communication used by humans, based on speech and gesture (spoken language), sign, or often writing. The structure of language is its grammar and the free components are its vocabulary. Many languages, including the most widely-spoken ones, have writing systems that enable sounds or signs to be recorded for later reactivation.

The scientific study of language is called linguistics. Critical examinations of languages, such as philosophy of language, the relationships between language and thought, etc, such as how words represent experience, have been debated at least since Gorgias and Plato in ancient Greek civilization. Thinkers such as Rousseau (1712 – 1778) have debated that language originated from emotions, while others like Kant (1724 –1804), have held that languages originated from rational and logical thought. Twentieth century philosophers such as Wittgenstein (1889 – 1951) argued that philosophy is really the study of language itself. Major figures in contemporary linguistics of these times include Ferdinand de Saussure and Noam Chomsky.

Estimates of the number of human languages in the world vary between 5,000 and 7,000. However, any precise estimate depends on the arbitrary distinction (dichotomy) between languages and dialect. Natural languages are spoken or signed (or both), but any language can be encoded into secondary media using auditory, visual, or tactile stimuli – for example, in writing, whistling, signing, or braille. In other words, human language is modality-independent, but written or signed language is the way to inscribe or encode the natural human speech or gestures. Depending on philosophical perspectives regarding the definition of language and meaning, when used as a general concept, "language" may refer to the cognitive ability to learn and use systems of complex communication, or to describe the set of rules that makes up these systems, or the set of utterances that can be produced from those rules. All languages rely on the process of semiosis to relate signs to particular meanings. Oral, manual and tactile languages contain a phonological system that governs how symbols are used to form sequences known as words or morphemes, and a syntactic system that governs how words and morphemes are combined to form phrases and utterances.

Human language is unique among known systems of animal communication in that it is not dependent on a single mode of transmission (sight, sound etc.), it is highly variable between cultures and across time, and affords a much wider range of expression than other systems. It has the properties of productivity and displacement, and relies on social convention and learning. Language is thought to have gradually diverged from earlier primate communication systems when early hominins acquired the ability to form a theory of mind and shared intentionality. This development is sometimes thought to have coincided with an increase in brain volume, and many linguists see the structures of language as having evolved to serve specific communicative and social functions. Language is processed in many different locations in the human brain, but especially in Broca's and Wernicke's areas. Humans acquire language through social interaction in early childhood, and children generally speak fluently by approximately three years old. Language and culture are codependent. Therefore, in addition to its strictly communicative uses, language has social uses such as signifying group identity, social stratification, as well as use for social grooming and entertainment. (Full article...)

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"Bangla" in Bengali script

Bengali (/bɛŋˈɡɔːli/), also known by its endonym Bangla (বাংলা Bengali pronunciation: [ˈbaŋla]), is an Indo-Aryan language and is the lingua franca of the Bengal region of the Indian subcontinent. It is the most widely spoken language of Bangladesh and the second most widely spoken of the 22 scheduled languages of India, after Hindi. With approximately 228 million native speakers and another 37 million as second language speakers, Bengali is the seventh most-spoken native language and the sixth most spoken language by total number of speakers in the world.

Bengali is the official and national language of Bangladesh, with 98% of Bangladeshis using Bengali as their first language. Within India, Bengali is the official language of the states of West Bengal, Tripura and the Barak Valley region of the state of Assam. It is the most widely spoken language in the Andaman and Nicobar Islands as well in the Bay of Bengal, and is spoken by significant populations in other states including Arunachal Pradesh, Delhi, Chhattisgarh, Jharkhand, Meghalaya, Mizoram, Nagaland and Uttarakhand. Bengali is also spoken by the significant global Bengali diaspora (Bangladeshi diaspora and Indian Bengalis) communities in Pakistan, the United Kingdom, the United States, and the Middle East. (Full article...)


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Berber-speaking populations are dominant in the coloured areas of modern-day North Africa. The other areas of North Africa contain minority Berber-speaking populations.