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17
• tree
- a tree displays in the naviga-
tion panel of a screen, and is
comprised of a hierarchical list of
items. An entity associated with a
branch of the tree is preceded by a
plus (+) sign when the branch is
collapsed. By double-clicking the
item, a minus (-) sign replaces the
plus sign, and any entity within that
branch of the tree displays. An item
in the tree is selected by clicking it.
• window
- a window displays on
a screen, and can contain
frames, fields, text boxes, list
boxes, buttons, checkboxes,
and radio buttons. A window for
a topic or sub-topic displays in
the right panel of the screen.
Other types of windows include
pop-up windows, login
windows, or ones from the
system such as the Save As or
Choose file windows.
