Meanings of metaphorical language in English

Then the young chief addressed his people, in the usual metaphorical language of an Indian.

In less metaphorical language this transmutation depends upon the measure of self-control and deference of present desire to future purpose.

Among the English poets, Wordsworth probably stands next to Shakespeare in the frequency, felicity, originality, and strength of his metaphorical language.

But metaphorical language, though nothing other will convey the extremity of his misery, or the form of his thoughts, must be put aside.

Everybody on Patterson Street uses slang-thatis to say, metaphorical language-andif I didn't they would think me insufferably proud and stuck up.