A global is a collection of merged data types that can be mapped to a global namespace.
A global model is the collection of globals and their global properties as defined in the global namespace.
Typically represents one concept within a system, e.g. customers in a CRM system.
A connector is the collection of components required to synchronize one or more datatypes to a system.
Namespaces is how Sesam manages to know where properties originate from. It allows us to merge data from multiple sources without losing context.