Uncertainty, uncertainty everywhere
You know what's the most common error people make when trying to embrace DDD? They tend to focus on DDD's specific DSL (terminology, composition) - entities, boundaries, aggregate roots, etc. because they think that this particular modeling model (OMG, recurrence detected, stack overflow comin' ...) is a game changer. But it isn't.
It's useful (it's an ubiquitous language for modelers :)) & makes