Circuit diagram

A symbolic drawing that represents an electrical circuit’s components and connections using standardized symbols and lines. It shows electrical relationships rather than the physical layout of the components.

Electrical schematic: A drawing that uses symbols to represent electrical components and their connections. Circuit diagrams are electrical schematics focused on circuit connectivity.
Schematic capture: The creation of an electronic schematic using computer-aided design software. It turns circuit intent into a diagram that can be checked and revised.
Electronic design automation: Software tools that support the design, analysis, and production of electronic systems. EDA tools create schematics and connect them to simulation and board design.
Wiring diagram: A drawing that shows how electrical components are physically wired and often where they are located. It emphasizes wire routing and placement rather than abstract circuit connectivity.
Electronic symbol: A standardized graphic mark representing an electrical or electronic component or function. Each component in a circuit diagram is represented by a symbol.
Kirchhoff's circuit laws: Rules stating that current is conserved at nodes and voltage sums to zero around closed loops. The connections shown in a diagram define the nodes and loops these laws analyze.
Circuit analysis: The methods used to determine voltages, currents, and other properties of electrical circuits. Circuit diagrams provide the topology needed to set up an analysis.
Block diagram: A diagram that represents a system as functional blocks and the relationships between them. It abstracts circuit functions instead of depicting individual components and terminals.
Electrical network: A collection of electrical components connected by conductive paths. The diagram encodes the network’s components and connections.
Electrical node: A point or connected region in a circuit whose ideal conductors share one electric potential. A diagram’s junctions identify which terminals belong to the same node.

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