a yellow-white, more or less viscid substance produced by suppuration and found in abscesses, sores, etc., consisting of a liquid plasma in which white blood cells are suspended. Origin of pus. Latin.
Definition of task. 1  1a : a usually assigned piece of work often to be finished within a certain timeb : something hard or unpleasant that has to be donec : duty, function. 2  2 : subjection to adverse criticism : reprimand âused in the expressions to take, call, or bring to task.
In many cases, however, task analysis can most simply be described as the division of activity into its specific component levels in order to determine the value in solving particular performance problems. Task analysis is a way of assessing what people, machines, or a combination thereof do and why they do it.