1Language — the systematic means of spoken or written communication used to convey thoughts; can also refer to a specific language, such as Japanese or English.
世界には数千の言語が存在すると言われている。
It is said that there are several thousand languages in the world.
子供は自然に母語という言語を身につけていく。
Children naturally acquire their native language.
言語によって、同じ概念でも表現の仕方が大きく異なる。
The way the same concept is expressed can differ greatly depending on the language.