Crossword Puzzle Window inserts

Clue: Window inserts

Windows 7 runners (PCS with 3 letters)
Key used to close a window, perhaps (ESC with 3 letters)
Some are in windows: Abbr. (ACS with 3 letters)
Liner window (PORTHOLE with 8 letters)
___-de-boeuf (round or oval window) (OEIL with 4 letters)
Frame inserts (LENSES with 6 letters)
Window cleaner's goof (SMEAR with 5 letters)
D: drive inserts (CDROMS with 6 letters)
Windows over doors (TRANSOMS with 8 letters)
Needing to sit on the window sill for a few minutes, say (TOOHOT with 6 letters)