e/Motion vector

Information
has gloss	eng: In video compression, a motion vector is the key element in the motion estimation process. It is used to represent a macroblock in a picture based on the position of this macroblock (or a similar one) in another picture, called the reference picture. The H.264/MPEG-4 AVC standard defines motion vector as:
lexicalization	eng: motion vector
instance of	e/Euclidean vector