Un(a)______ es un esfuerzo planificado y organizado para lanzar un nuevo producto a la venta.

A "lanzamiento de producto" (product launch) is the correct term for a planned and organized effort to introduce a new product to the market. This encompasses all activities from development to marketing and distribution. A "lanzamiento de ventas" (sales launch) is a component of a product launch, focusing specifically on the sales strategy and execution, but it's not the overarching term for introducing a new product. "Liberación de inventario" (inventory release) refers to making stock available, which is a logistical step and not the comprehensive process of launching a new product.