The GCC as a Regional Security Organization

What exactly is the GCC? Can it be considered a fullfledged security community that has over the time of its existence played a positive role in resolving security dilemmas in the Gulf? What do the terms of unity, integration, cooperation and coordination which are used so interchangeably actually mean within the context of this regional organization? And if the GCC has begun to shape the regional security environment, in what ways does this manifest itself?