Highlands

I think that the song is about Bob reminissing about a past love which is put him a day dream "high" state.

"Then she says, "I know you're an artist, draw a picture of me!" I say, "I would if I could, but, I don't do sketches from memory."

and

"There's a way to get there, and I'll figure it out somehow But I'm already there in my mind And that's good enough for now"