Multidisciplinary design optimization refers to a design process that integrates different areas of expertise to improve the overall performance and efficiency of a product or system. There are several synonyms for this term that encompass the same idea, including interdisciplinary design optimization, cross-functional design optimization, and collaborative design optimization. All of these phrases describe the process of bringing together experts from different disciplines and fields to design a complex system or product that can meet a variety of requirements and constraints. By working collaboratively, designers can leverage their diverse skill sets to create products or systems that are both effective and efficient, leading to better outcomes and increased innovation.