a basic Yacas container object

a generic object that can be used in many places

a recursive object because it can contain any type of object

a set of objects, each of which can be any other object

A list displays job scheduling objects. You must create separate lists for each job scheduling object. For each job scheduling object, there are two types of lists: one of definitions in the database and another of instances in the plan.

A data structure, or electronic queue, that your application uses to temporarily insert or remove objects for work. The list manager allocates lists in its file space for your application.

A series of recursively defined objects.