What is parent led aba?

Could you please clarify what "parent led aba" refers to? Is it a specific approach or methodology used in the field of applied behavior analysis (ABA) that involves parents taking a leading role in their child's therapy or intervention? If so, could you elaborate on how this approach differs from traditional ABA practices, and what are the potential benefits and challenges of having parents take a more active role in their child's treatment? Additionally, are there any specific skills or training that parents need to acquire in order to effectively lead their child's ABA therapy?