Meaning of SWIM in English
Slow, graceful, undesired movements of display elements, groups, or images about their mean position on a display surface, such as that of a monitor . Note 1: Swim can be followed by the human eye, whereas jitter usually appears as a blur. Note 2: Jitter, swim, wander , and drift have increasing periods of variation in that order.
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012