Multidimensional sets are complex and difficult to describe in a succinct way. However, there are a variety of synonyms and related terms that can help convey the meaning of multidimensional sets in different contexts. Some synonyms for this phrase include multidimensional arrays, multi-layered structures, complex data sets, and multi-faceted collections. Other terms that are related to multidimensional sets may include matrices, tensors, and hypercubes, which all refer to specific types of mathematical structures or data models that share some similarities with multidimensional sets. Ultimately, the key to understanding and discussing multidimensional sets is to focus on their complexity and richness, and to use whichever synonym or related term best suits the needs of the situation.