AI overview
I cannot write an accurate overview based on the context provided, as you've only given me the phrase "Wikimedia portal" without specific information about what Portal:Language contains, its scope, or its purpose. To write a factually accurate 2-sentence overview, I would need details about the portal's actual content and organization.
AI-generated from the Wikipedia summary — may contain errors.
Article
Introduction
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 Language is a structured system of communication that consists of grammar and vocabulary. It is the primary means by which humans convey meaning, both in spoken and signed forms, and may also be conveyed through writing. Human language is characterized by its cultural and historical diversity, with significant variations observed between cultures and across time. Human languages possess the properties of productivity and displacement, which enable the creation of an infinite number of sentences, and the ability to refer to objects, events, and ideas that are not immediately present in the discourse. The use of human language relies on social convention and is acquired through learning.