Scale: The relation of size and the size on the house,country, model.
Oldenburg: Large – space project (1995)

Technique: A kind of skillful activity or a way of performing a skillful activity
Saunders, sally: Royal school of Needlework embroidery techniques (2005)

Shadow: an area of darkness, because the light be blocked by something
Ballen, Roger: Shadow chamber (2005)

Depth: The distance from top surface to bottom of something.
Prestel : Walker Evans depth of field (2015)

Focus: central and main point of something,especially, describe someone pay attention to something.
Barbour: Doing focus groups (2007)

Background : behind the people or main things in the picture.
Brandon: Background noice (2006)
