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Flowcharts use different types of boxes to represent different types of steps, and each two steps are connected by arrows. They are widely used in many fields of analysis, design, recording and manipulation. Flowcharts must be simple enough to clearly illustrate the facts depicted. In addition, they should contain an important, recurring concept, but not contain redundant things. For example, words that may contradict a certain theme in the process must be avoided.

UML package diagram is usually used to describe the logical architecture of the system - layers, subsystems, packages, etc. It is a combination of basic static diagrams and is a static diagram.

ER diagram (Entity-Relationship diagram) is a tool used for database design. It shows the structure and relationship of data in a graphical way. For beginners, understanding ER diagram is the first step to master database design. Today, ProcessOn editor will show you the basic concepts, components and applications of ER diagram.