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What Objects Represent in Object-Oriented Programming

Object-oriented programming utilises objects, which are self-contained units of data and behavioural instructions that access and manipulate this data. An object is a software representation of a real-world or conceptual item, thereby providing developers with greater ease in understanding and maintaining their code. An object has been derived from a class, which defines the structure of the object and what the object can do. After being derived, an object has a specific state through attributes (data) and offers a means to perform actions using its methods. 

Object-oriented programming mirrors the thought processes of human beings by dividing large problems into smaller chunks, rather than treating all data and functions as independent entities. Interactions between objects occur through messages and methods, creating the dynamic characteristics of programmes. Since an object maintains the integrity of its own state and contains its own methods, it provides the ability for the data within an object to change without changing the functionality of other objects. Therefore, it simplifies the process of managing very large codebases and allows for greater flexibility in the development of code. 

Overall, object-oriented programming provides a logical structure for organising, clarifying, and modularising large software systems, as these systems become increasingly complex over time.