'Language' in the Bible

And now they sing a new song. "It is fitting," they say, "that Thou shouldst be the One to take the book And break its seals; Because Thou hast been offered in sacrifice, And hast purchased for God with Thine own blood Some out of every tribe and language and people and nation,

And permission was given him to make war upon God's people and conquer them; and power was given him over every tribe, people, language and nation.

And I saw another angel flying across the sky, carrying the Good News of the Ages to tell to every nation, tribe, language and people, among those who live on the earth.