The systematic, meaningful arrangement of symbols, which provides the basis for communication, is called

Question

Quizplus · Accepted Answer

The definition given in the question perfectly matches the definition of language. Sign language and speaking are specific ways in which language can be expressed, but they do not encompass the entire concept of language itself. Communication is a broader term that can include nonverbal forms of communication as well as language.

The Systematic, Meaningful Arrangement of Symbols, Which Provides the Basis