A schematic, or schematic diagram, would be a representation of the components of a system utilizing abstract, picture symbols rather than realistic images. A schematic usually omits all details that are not pertinent to the information the schematic is intended to convey, and might add unrealistic elements that assist understanding. For example, a subway map intended for passengers could represent a subway station using a scatter; the scatter does not resemble the true station at all but gives the viewer info without unnecessary visual clutter. A schematic diagram of a compound process utilizes symbols to represent the vessels, piping, valves, pumps, and other equipment of the machine, emphasizing their interconnection controlling and paths physical particulars. In a digital circuit structure, the design of the symbols might not resemble the layout from the circuit. In the design diagram, the symbolic components are organized to be easily interpreted by the viewer.
In electric power systems design, a design drawing referred to as a one-line diagram is frequently used to symbolize substations, distribution systems as well as whole electric power grids. All these diagrams simplify and compress the details which would be replicated on each individual phase of a three-phase method, revealing just one component rather than three. Electrical diagrams for switchgear often have common device functions designate by standard function amounts.
In electrical and electronic business, a design diagram is often utilised to describe the design of equipment. Schematic diagrams are often employed for the upkeep and repair of electronic and electromechanical systems.  Original schematics were done manually, with standardized templates or off-the-shelf adhesive symbols, however now electronic design automation software (EDA or"electric CAD") can be used.
Schematics for electronic circuits are prepared by designers utilizing EDA (electronic design automation) tools called schematic capture applications or schematic entry applications. These instruments go beyond simple drawing of connections and devices. Usually they are incorporated into the whole IC design flow and linked to other EDA tools for verification and simulation of the circuit under design.
In electronic design automation, until the 1980s schematics were virtually the only proper representation for circuits. More recently, together with the progress of computer technologies, other specimens were introduced and technical computer languages were developed, as using the explosive development of the complexity of digital circuits, conventional schematics are becoming less practical.
Schematic diagrams have been used widely in repair guides to help users understand the interconnections of parts, and also to supply graphical instruction to help out with rebuilding and simplifying mechanical assemblies. Many motorcycle and automotive repair manuals devote a substantial number of pages on schematic diagrams.
A semi-schematic diagram unites a number of the abstraction of a just schematic diagram along with different components exhibited as realistically as you can, for various factors.