Define Door.

• A door is a hinged or otherwise movable barrier that allows ingress into and egress from an enclosure.
• A door is a solid barrier that is fixed in a wall opening to hinge, slide or pivot to open or close.

• A door is an opening formed in a wall to admit daylight through transparent or translucent material.

• A door is a step leading to another level that usually formed as two or more flight.

Below are functions of the door, except.

• strength

• thermal insulation

• privacy

• moisture resistance

Below are ADVANTAGES of a swing door, except.

• Easy to install using door frame, hinges and door panel

• They are reliable and long-lasting as it is less maintenance

• No clearance of door swing opening is required

• Most convenient door operation for direct passage to go through

• The most effective door for thermal insulation, acoustic insulation and weather resistance

Name the two sides' vertical framing pieces

Name the central vertical pieces that divide the door into panels

Name the bottom horizontal framing pieces

Name the piece to install ironmongeries lock set

Name the top horizontal framing piece

Name the cross pieces that divide the door into panel horizontally

Below are correct description of door parts marked in red, except.

• the filling between the framing pieces

• they are usually fitted into rebates in the frames and screwed or nailed

• cannot be replace or remove

• the suitable materials are timber and glass