What is the meaning of the gerund in this sentence Royce enjoyed building his sailboat?

In the sentence "Royce enjoyed building his sailboat," the gerund "building" functions as a noun, representing the activity that Royce takes pleasure in. It indicates the action of constructing the sailboat, emphasizing the process and experience rather than just the final product. The gerund highlights Royce's engagement and enjoyment in the act of building itself.