Final answer:
The type of alignment between an HR strategic plan and an organization's strategic plan when they directly support each other is known as a vertical fit. This alignment is essential for the effective contribution of HR to the organization's success.
Step-by-step explanation:
When an HR strategic plan directly supports the goals identified in an organization's strategic plan, the type of alignment it has is referred to as a vertical fit. A vertical fit ensures that the human resource strategies align with the overall business objectives and that all HR initiatives are designed to support and contribute to the achievement of the organization's strategic goals. This alignment is crucial for the effectiveness of HR functions and for ensuring that the human resources contribute optimally to the success of the company.