This reference contains two indexes: a complete index that includes
topic entries, and an index of statements and commands only.
In the index of statements and commands, an entry refers to a statement
summary section only. In the complete index, the entry for a configuration
statement or command contains at least two parts:
The primary entry refers to the statement summary section.
The secondary entry, usage guidelines, refers
to the section in a configuration guidelines chapter that describes how to
use the statement or command.