Description: A node-based structure is a data structure consisting of nodes connected by edges. Each node can contain data and references to other nodes, thus forming a network that allows the representation of complex relationships. This structure is fundamental in data management across various applications, as it allows for a dynamic and flexible organization of data. Unlike linear data structures, such as arrays, node-based structures can grow and shrink efficiently, adapting to changing storage needs. Nodes can be of different types, such as linked lists, trees, and graphs, each with its own characteristics and applications. The ability to link nodes allows for the creation of hierarchies and non-linear relationships, which is essential for representing complex data in modern applications. Additionally, memory management is optimized through the use of pointers, which allow for efficient access and manipulation of nodes. In summary, node-based structures are a powerful tool in programming and data management, facilitating effective and efficient data manipulation.