Use the Select Member dialog box to display dimension members so that you can qualify the dimension by selecting only a subset of its members.
Available Members box -- Displays a list of available members for the specified dimension and hierarchy.
Collapse all button -- Collapses all available members to the highest hierarchical level. This button is available only when a hierarchy is specified in the Hierarchy box.
Expand all button -- Expands all available members to the lowest hierarchical level. This button is available only when a hierarchy is specified in the Hierarchy box.
Find button -- Displays the Find Members dialog box, which allows you to search for particular items in the list of available members.
Hierarchy box -- Displays a list of available hierarchies for the dimension. If the choice is available, then select More to display the Hierarchies/Levels dialog box.