Language; a system of communication (spoken or written) used by people or groups, such as a national or ethnic language.
彼女は三つの言語を流暢に話せる。
She can speak three languages fluently.
言語の違いが文化の理解に影響を与える。
Differences in language affect the understanding of culture.
新しい言語を学ぶのは大変だが面白い経験だ。
Learning a new language is hard but an interesting experience.