In a unified command, members representing multiple jurisdictions and agencies work together to establish:

Incident Objectives. The Incident Objectives describes the basic incident strategy, incident objectives, command emphasis/priorities, and safety considerations for use during the next operational period.

The answer is: Incident objectives

Incident objectives refers to the general list of what the incident management team wish to achieve from their operation.

This would be shared with all members so each of them know their own personal roles in the operation a long with things that they should be considered as the highest priority over the other.