Answers
The smallest identifiable area of an image, holding a binary value that represents one colour.
The number of bits used to store the colour of each element, setting how many colours are possible.
The shades an image can show, equal to two raised to the power of the bits per element.
The concentration of individual elements in an image, usually stated as width by height.
A picture stored as a grid of individual elements, each holding a binary value for its colour.
The extra 8 bits in a 32-bit colour value, allowing a background to show through.
The storage space an image needs, found by multiplying width by height by the bits per element.