Both in academia and in professional practice, multidisciplinarity, interdisciplinarity and transdisciplinarity offer unique pathways to innovation and holistic understanding. But what sets them apart? And why should we care? Imagine diverse experts tackling the redesign of a digital service, improving the experience of citizens or solving a complex service challenge. Each scenario requires different levels of collaboration, reflecting these three approaches. The shift from pooling knowledge to fully integrating and transcending boundaries can transform problem-solving.