👉 Lumped refers to a system or collection of items that are all interconnected and share common characteristics. In other words, it is a group of objects or entities that are connected by some kind of relationship or interaction. Lumped systems can be either physical or digital, and they often represent the basic building blocks from which more complex structures arise. For example, in the context of electronics, a lumped system might consist of multiple components like resistors, capacitors, and diodes that interact with each