Attributes of Graphics
"You will sometimes see the name 'graphics' reserved for vector graphics and, 'images' used to mean bitmapped images." (Chapman & Chapman 2004)
This can be confusing. The term 'graphics' can be used for both.
Vectors and bitmaps have different attributes. Attributes are the same as characteristics in humans - colour of eyes, hair, skin, height, weight etc. There is one common attribute however, that is used by all types of graphics. This is colour mode or colour model as it's otherwise known.
Next: Colour Models