Valley of vision] This expression in the title is evidently taken from Isaiah 22:5. It is generally understood to signify Jerusalem.
Housetops] the natural place of concourse (Judges 16:27). The city is apparently en fete (Isaiah 22:13).
Related Commentaries of Isaiah 22:1
Isaiah 22:1
1 The burden of the valley of vision. What aileth thee now, that thou art wholly gone up to the housetops?