LDAP query root: Select a root object in the directory for this query (LDAP://ldap.xyzcompany.com/ou = America.o = xyzcompany). The query that you're creating will return results from this point in the tree down.
LDAP attributes: Select attributes for user-type objects.
Operator: Select the type of operation to perform relating to an LDAP object, its attributes, and attribute values including equal to (=), less than or equal to (<=), and greater than or equal to (>=).
Value: Specify the value assigned to the attribute of an LDAP object.
AND/OR/NOT: Boolean operators that you can select for your query conditions.
Test query: Execute a test of the query you've created.
Save: Save the created query by name.
Advanced: Create a query using the elements of a basic LDAP query but in a freeform manner.