Photo-realistic Representing an object 'as is', that is without any optical 'effects' etc. having been added. Platform A term that defines both the operating system of the computer and its hardware base, usually referring to the central processing unit. Platform independent Software or digital formats that can be used on any computer system regardless of the operating platform. PNG P ortable N etwork G raphics. This refers to the orientation of an image.
Portrait describes an image which is taller than it is wide.
PowerPoint Microsoft's presentation software. Proprietary Material that is owned and controlled. A ccess M emory the part of a computer's memory where data is temporarily stored while being worked on. Raster A way of displaying spatial information as coloured grid cells. Also referred to as bitmap, as effectively a map of bits is evident.