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Product Architecture
Product architecture is the structure by which the functional essentials of the product are organized into physical amounts and which the amounts work together. This definition associates architecture to systematic design and the principles of scheme engineering. Architecture also has deep-thinking implications for how the creation is intended, made, retailed, used, fixed, etc. Architecture makes its impact felt during the assembly < >.

Purpose of Product Architecture
The purpose of the product architecture is to define the basic physical building blocks of the product in terms of what they do and what their interfaces are to the of the device. Architectural decisions allow the detailed design and testing of these of building blocks to be assigned to teams, individuals, and/or suppliers, such that development of different portions of the product can be carried out simultaneously < >.

Characteristics of Product Architecture
Any product can be understood as in both functional and physical terms. The functional elements of a product are the discrete procedures and transformation that subsidize toward the complete performance of the product. Functional elements are typically defined in schematic form before they are reduce to precise technologies, mechanisms, or physical working principles. The physical elements of a product are the measures, components, and subassemblies that ultimately implement the product’s functions. Some physical elements are spoken by the product concept, and more become well-defined during the detail design phase < >.

Modularity
Possibly the most important characteristic of a product architecture is its modularity. The best modular architecture is any in which each functional element of the product is applied by exactly one physical chunk and in which there are a little well-defined interactions between chunks. The opposite of a modular architecture is an integral architecture. Modularity is a relative property of a product architecture. Products are rarely strictly modular or integral < >.

Types of Modularity
•	Slot-modular architecture: Each of the interfaces between chunks in a slot-modular architecture is of a different type from the other, so that the various chunks in the product cannot be interchanged. •	Bus-modular architecture: There are common bus to which the other chunks connect via the same type of interface. Nonelectric products can also be built around a bus-modular architecture < >.