I have trouble solving this GRE verbal reasoning question:
In a production process that is complex and often unpredictable, roles that start out discretely defined may become quite _______.
First, I don't know the exact meaning of "discretely defined" in this context (I do know the meaning of "discrete" and "define").
Second, the answer to this question should be something corresponding to "complex and often unpredictable". It should be a negative word. I think A,B,E serve this purpose.