Each sub object of a particular object has a unique type. In this case there are hierarchies of information and features but there is no list navigation required, only tree navigation. A menu for a small restaurant with food arranged in categories with various options on some of the dishes List of single XML objects. There is only one list of objects. Each object has no children.
All objects are of the same type.
Traversing the list, accelerators for entering into the middle of a list of known order may be helpful. Locating where one is on the list. This is an issue if knowing how far one is into the list is important. Speech-only cues may be frustratingly slow as indicators. Brief vs. verbose object descriptions to accelerate listening Standard brief and verbose modes along with other user selectable modes Scenarios List of people with addresses and phone numbers sorted in last name order Inventory of parts with names, part numbers, quantity and costs List of multiple kinds of XML objects.