1. The boundary or edge around a door

2. A vertical divider between door panels

3. A type of lock that utilizes electromagnetism to secure a door

4. A highly secured room with a door

5. A numeric pad used for entering a security code to unlock a door

6. A sliding bar used for securing a door

7. To apply force on a door to open it

8. The structure that surrounds and supports a door

9. To move a door horizontally along a track

9. A vertical piece of a door

10. An entryway or small room before the main door

11. A flexible strip attached to the bottom of a door to seal gaps

12. Level with or even with the surface

13. To close a door securely

13. A thin strip fixed to the door frame to prevent a door from swinging too far

14. A flat section of a door

15. A small opening in a door or floor

16. To put something to a door's surface

17. The way in or out of a building

18. Partially opened

19. A transparent material used in doors for visibility

20. A device used to secure a door