Data Structures: A data structure is a format used to store, organise and manage data in a way that allows efficient access and modification for the needs of the program.
Arrays: A data structure for storing a finite, ordered set of data of the same data type within a single identifier.
Multi-Dimensional Arrays: An array where each data item is located using multiple indices.
Single-Dimensional Arrays: An array where each data item can be located using a single index.
Binary File: An organised collection of records where data is stored in binary.