Libraries
displays a list of currently assigned libnames. You can select a libname by clicking it with the left mouse button, which
is equivalent to typing its name in the Library field.
If you cannot locate the library or directory you are interested in, go to the SAS Explorer window, select "New" from the File menu, then select "Library" and "OK." This opens the New Library window. You also assign a libname by submitting a libname statement from the Editor window. Select the Refresh button to make the new libname available in the libraries list.
SAS Data Sets
displays a list of the SAS data sets (data files or data views) contained in the selected library. You can select one of these
by clicking with the left mouse button, which is equivalent to typing its name in the Data set field. You can double-click
a data set name to select it and exit the window.