ヒントhinto
1.

A clue or piece of information that aids in solving a problem or understanding a situation.

2.

A subtle suggestion or indication that guides someone toward a particular conclusion or understanding.

3.

A piece of advice or indication that encourages further thought or action without being overtly explicit.

ノーヒントnoohinto
1.

A situation or question presented without any form of guidance or clues that may assist in finding the answer.

2.

A method of challenging one's knowledge or skills by providing material that requires independent thinking and problem-solving, devoid of any aids or hints.

3.

An approach that emphasizes complete self-reliance in understanding or answering, where all necessary information must be derived solely from one's own knowledge or reasoning.