'Allegory' in the Bible

to understand a proverb and an allegory, the words of the wise and their enigmas.

“Son of man, ask a riddle and tell a parable to the house of Israel,

This allegory spoke Jesus to them, but they did not know what it was of which he spoke to them.

His disciples say to him, Lo, now thou speakest openly and utterest no allegory.

Which things are an allegory: for these are the two covenants; the one from the mount Sinai, which gendereth to bondage, which is Agar.