"Things Still Left Unsaid" by Jim Cuddy is a reflective song about someone who was once close to the singer but has since disappeared from their life. The lyrics suggest that this person had secrets and left without a trace, going somewhere where they can't be found. The song portrays the longing and curiosity the singer feels about the whereabouts and the life of this person. There is a sense of mystery and intrigue surrounding their departure. The singer imagines scenarios, such as the person hiding in a mountain cave, living a solitary life among nature. The chorus expresses the lingering effects this person's absence has on the singer. They continue to be haunted by their memories and thoughts of what could have been. The lyric "I don't know what it's like to run" suggests that the singer has never experienced such a drastic change or departure in their own life. However, they can't shake the feeling and the impact this person has had on them. Overall, "Things Still Left Unsaid" explores themes of loss, unanswered questions, and the lasting impact certain individuals can have on our lives, even when they are no longer present.