The term "building blocks" refers to basic elements or components that are used as a foundation for creating something more complex. In a general sense, it can refer to anything that serves as a fundamental piece in constructing something larger or more intricate. For example, in the context of construction, building blocks could be wooden planks, bricks, or stones that come together to form a structure. Similarly, in education, basic concepts and principles are often referred to as "building blocks" because they provide the foundation for understanding more advanced topics. In essence, the phrase suggests that something great can be created by putting together smaller pieces, much like how LEGO bricks can be used to build various structures.