1. Noun:
* A comment or observation: "She made a remark about the weather."
* Something noteworthy or significant: "The architect's use of light is a remarkable feature of the building."
2. Verb:
* To say something briefly: "He remarked that he was tired."
* To notice or observe something: "I remarked the way she was looking at him."
In short, "remark" refers to something said or noticed, often with a focus on its significance or importance.