Final answer:
The subject of this question is Computers and Technology. The student is describing how certain items on a smartlist are highlighted in yellow and provide options when clicked, using the example of the item 'onset'.
Step-by-step explanation:
The subject of this question is Computers and Technology. The student is describing a feature in which certain items on a smartlist are highlighted in yellow and provide options when clicked.
For example, when the item 'onset' is clicked, it displays information like '2 months ago' and '1 hour'. This is a common user interface design pattern used in many applications to indicate that an item is interactive or has additional functionality.