VArray is basically an Oracle data type used to have columns containing multivalued attributes and it can hold a bounded array of values. All Varrays consist of contiguous memory locations. The lowest address corresponds to the first element and the highest address to the last element.
varrays-Oracle Interview Questions-Edureka
Each element in a Varray has an index associated with it. It has a maximum size (max_size) that can be changed dynamically.