Electrical symbols are a graphical representation of basic electrical and electronic devices or components. These Symbols are used in circuit and electrical diagrams to recognize a component. It is also called a schematic symbol. Each component has typical functionality according to its operational characteristics.
An electronic circuit or schematic drawing uses a wired path between electronic components to complete the circuit. These components are represented by respective symbols for it.
Electrical and electronic symbols used in circuits are defined with various national and international standards. E.g. IEC standard, JIC standard, ANSI standard, IEEE standard, etc.,