which is not necessarily following the hierarchical structure such data structure is termed as graph array is container which can hold fix number of items and these items should be of the same type most of the data structures make use of arrays to implement their algorithms following are the important terms to understand the concept of array element each item stored in an array is called an element index each location of an element in an array has numerical indexwhich is used to identify the element array representation:(storage structurearrays can be declared in various ways in different languages for illustrationlet' take array declaration arrays can be declared in various ways in different languages for illustrationlet' take array declaration as per the above illustrationfollowing are the important points to be considered index starts with array length is which means it can store elements each element can be accessed via its index for examplewe can fetch an element at index as basic operations following are the basic operations supported by an array traverse print all the array elements one by one insertion adds an element at the given index deletion deletes an element at the given index search searches an element using the given index or by the value update updates an element at the given index in cwhen an array is initialized with sizethen it assigns defaults values to its elements in following order data type default value bool false