When I first came to London I felt that I no longer needed to have a nationality or race anymore but I needed to discover myself, which also meant I could be different. If I had remained in France perhaps I would have had a stronger feeling that I was, more or less, French, North African or whatever.
The essence is it may be descriptive of a thematic narrative; sometimes it is a definition of political problems or feelings. Sometimes it conveys a social statement. Most are about communication. Although I may have different interests along the way, insofar as one travels, one more or less arrives at the same point of departure.