Alcatel-Lucent 7450 Basic System Configuration Manual page 12

CLI Structure
The CLI is organized so related commands with the same scope are at the same level or in the
same context. Sublevels or subcontexts have related commands with a more refined scope.
Figure 1
and are not a definitive list.
12
and Figure 2 are examples displaying the major contexts for router configuration,
Basic System Configuration Guide