Domestic Client
Domestic Client. If you’re having building work carried out which is not connected to running a business, typically on the property where you or a family member lives.
See: https://www.hse.gov.uk/pubns/indg411.htm
Door and window furniture
Refers to all metal or plastic fittings applied to doors and windows. i.e. hinges, handles, latches, finger plates, kicking plates.
DPC Damp Proof Course
A horizontal layer of impervious material generally used between the ground works and the above ground brickwork or other wall finishes and components to rising rising damp.
Dragging
Dragging 
A straight lined pattern created by using dragging brush (used in graining and broken colour techniques).
Drier
Substances such as lead-cobalt zirconium compounds which promotes the oxidation (drying) of drying oils used in paints and varnishes.