^ It's both.
Take for instance God resting on the 7th day - concrete, but yet expounded on in the T/P/P via world picture, allegory, prophetic. Then many others like the 4th day, etc. After examiling ItG, YadaYah and other studies it becomes easy to see.
Here's ISR hits for "riddles" & "riddle"
Psa 78:1 My people, give ear to my Torah1, Incline your ears to the words of my mouth. Footnote: 1In vv. 1-11 the words “teaching, words, witness, commands, covenant,” are used interchangeably, as parallels,almost synonymously. We find the same in Ps. 119.
Psa 78:2 I open my mouth in a parable; I utter riddles of old,
Psa 78:3 Which we have heard and known, For our fathers have related them to us.
Psa 78:4 We do not hide them from their children, Relating to the generation to come the praises of יהוה, And His strength and His wonders which He has done.
Pro 1:1 The proverbs of Shelomoh son of Dawiḏ, sovereign of Yisra’ĕl:
Pro 1:2 For knowing wisdom and discipline, For understanding the words of understanding,
Pro 1:3 For receiving the discipline of wisdom, Righteousness, right-ruling, and straightness;
Pro 1:4 For giving insight to the simple, Knowledge and discretion to the young.
Pro 1:5 The wise one hears and increases learning, And the understanding one gets wise counsel,
Pro 1:6 For understanding a proverb and a figure, The words of the wise and their riddles.
Pro 1:7 The fear of יהוה is the beginning of knowledge1; Fools despise wisdom and discipline. Footnote: 1See 9:10, Ps. 111:10.
Pro 1:8 My son, heed the discipline of your father, And do not forsake the Torah of your mother;
Pro 1:9 For they are a fair wreath on your head, And chains about your neck.
Dan 5:11 “There is a man in your reign in whom is the Spirit of the Set-apart Elah. And in the days of your father, light and understanding and wisdom, like the wisdom of the elahin, were found in him. And Sovereign Neḇuḵaḏnetstsar your father, your father the sovereign, made him chief of the magicians, astrologers, Chaldeans, and diviners,
Dan 5:12 because an excellent spirit, knowledge and understanding, interpreting dreams, and explaining riddles, and solving difficult problems were found in this Dani’ĕl, whom the sovereign named Bĕlteshatstsar. Now let Dani’ĕl be called, and let him show the interpretation.”
Dan 5:13 So Dani’ĕl was brought in before the sovereign. The sovereign spoke and said to Dani’ĕl, “Are you that Dani’ĕl who is one of the sons of the exile from Yehuḏah, whom my father the sovereign brought from Yehuḏah?
Dan 5:14 “I have heard of you, that the Spirit of Elah is in you, and that light and understanding and excellent wisdom are found in you.
Psa 49:1 Hear this, all you peoples; Give ear, all you inhabitants of the world,
Psa 49:2 Both sons of mankind and sons of man, Rich and poor together.
Psa 49:3 My mouth speaks wisdom, And the meditation of my heart brings understanding.
Psa 49:4 I incline my ear to a parable; I expound my riddle on the lyre.
Eze 17:1 And the word of יהוה came to me, saying,
Eze 17:2 “Son of man, put forth a riddle, and speak a parable to the house of Yisra’ĕl.
Eze 17:3 “And you shall say, ‘Thus said the Master יהוה, “The great eagle with large wings of long pinions, covered with feathers of various colours, came to Leḇanon and took the top of the cedar.
(About Paul?)
Hab 2:4 “See, he whose being is not upright in him is puffed up. But the righteous one lives by his steadfastness.
Hab 2:5 “And also, because wine betrays him, a man is proud, and he does not stay at home. Because he enlarges his appetite as the grave, and he is like death, and is not satisfied, and gathers to himself all nations and heaps up for himself all peoples.
Hab 2:6 “Shall not all these lift up a proverb against him, and a mocking riddle against him, and say, ‘Woe to him who increases what is not his! Till when is he to load on himself many pledges’?
Hab 2:7 “Do not your creditors rise up suddenly? And those who make you tremble wake up and you be plunder for them?
Hab 2:8 “Because you have plundered many nations, all the remnant of the people shall plunder you, because of men’s blood, and doing violence to the land, to the city, and to all who dwell in it.
Hab 2:9 “Woe to him who is getting evil gain for his house, in order to set his nest on high, to escape the clutches of evil!
Hab 2:10 “You have counselled shame for your house, to cut off many peoples, and your being is sinning.
"Parable"
Mat 13:18 “You, then, hear the parable of the sower:
Mat 13:24 Another parable He put before them, saying, “The reign of the heavens has become like a man who sowed good seed in his field,
Mat 13:31 Another parable He put before them, saying, “The reign of the heavens is like a mustard seed, which a man took and sowed in his field,
Mat 13:33 Another parable He spoke to them, “The reign of the heavens is like leaven, which a woman took and hid in three measures of meal until all was leavened.”
Mat 13:34 יהושע said all this to the crowds in parables, and He did not speak to them without a parable,
Mat 13:35 so that what was spoken by the prophet might be filled, saying, “I shall open My mouth in parables, I shall pour forth what has been hidden from the foundation of the world.”
Mat 13:36 Then, having sent the crowds away, יהושע went into the house. And His taught ones came to Him, saying, “Explain to us the parable of the darnel of the field.”
Mat 15:14 “Leave them alone. They are blind leaders of the blind. And if the blind leads the blind, both shall fall into a ditch.”
Mat 15:15 And Kĕpha answering, said to Him, “Explain this parable to us.”
Mat 21:33 “Hear another parable: There was a certain man, a householder who planted a vineyard and placed a hedge around it, and dug a winepress in it and built a watchtower. And he leased it to farmers and went abroad.
Eze 24:2 “Son of man, write down the name of the day, for on this same day the sovereign of Baḇel has thrown himself against Yerushalayim.
Eze 24:3 “And speak a parable to the rebellious house, and you shall say to them, ‘Thus said the Master יהוה, “Put on a pot, put it on, and also pour water into it.
Mat 24:32 “And learn this parable from the fig tree: When its branch has already become tender and puts forth leaves, you know that the summer is near.