noun
Definition 1
Stance adopted by officialdom (government, party in government, ministry, minister responsible, etc.) regarding a given situation; message used to convey this.
Source: Invertext
Context: In China, decades of nationalistic propaganda have left people unable to hear anything but the official line that Taiwan is, and wants to be, part of China.
Source: Financial Times 22/12/2009 (Kathrin Hille in Shanghai)