Block diagrams are utilized in a scientific context. In the study of biology, by way of example, block diagrams are used to show biological functions and interrelations.
Contrary to schematics, blueprints and layout diagrams, block diagrams don't portray the essential detail for bodily construction. Block diagrams are created easy in order to not cloud theories.
Block diagrams are utilized in engineering and design of diagrams including electronic equipment, hardware, software and procedures. Most frequently, they signify concepts and systems in a higher level, less thorough summary. The diagrams are useful for troubleshooting technical difficulties.
The simplification in block diagrams can also be useful when demonstrating an idea, but hiding the inner workings of potentially secret intellectual property (IP). Top-down design in electrical technology frequently progresses through increasingly detailed block diagrams. Block diagrams in process control reveal the purposes of surgeries but not the components that perform them. The functions of block diagrams can then be implemented with programmable logic controllers (PLC).
An entity relationship diagram (ERD), one example of a block structure, represents an information system by showing the relationships between people, objects, places, events or theories within that system. (See a picture over the ERD definition webpage.)