AIDS stands for Acquired Immune Deficiency Syndrome: 1  Acquired means you can get infected with it; 2  Immune Deficiency means a weakness in the body's system that fights diseases. 3  Syndrome means a group of health problems that make up a disease.
Vector animation is a term used to refer to animation in which the art or motion is controlled by vectors rather than pixels. Vector animation often allows cleaner, smoother animation because images are displayed and resized using mathematical values instead of stored pixel values.
Definition of a vector. A vector is an object that has both a magnitude and a direction. Geometrically, we can picture a vector as a directed line segment, whose length is the magnitude of the vector and with an arrow indicating the direction. The direction of the vector is from its tail to its head.