When you take the [[Search]] action, you make a WIS check to discern something that isn't obvious. The Search table suggests which skills are applicable when you take this action, depending on what you're trying to detect.
|Skill|Thing to Detect|
|---|---|
|Insight|Creature's state of mind|
|Medicine|Creature's ailment or cause of death|
|Perception|Concealed creature or object|
|Survival|Tracks or food|