Concept:Language is a symbolic, rule-governed system shared by a group for expressing thoughts and feelings.
Explanation:Language is not just a group of words, sentences, or grammatical structures—it is a complete system.
Children acquire their native language naturally through observation and repetition, without formal teaching. This is language acquisition.
Language learning, on the other hand, involves conscious effort to understand grammar and rules.
Options A, B, and C describe only parts of language, not its full nature.
Thus, among the given choices, the most accurate and complete description is that language is a system.
Answer:D. system