A semi-schematic diagram combines a number of the abstraction of a purely schematic diagram along with different elements displayed as realistically as possible, for a variety of factors.
In electric power systems design, a schematic drawing referred to as a one-line diagram is frequently utilized to represent substations, distribution methods or even entire electric power grids. All these diagrams compress and simplify the exact details which would be replicated on each individual phase of a three-phase method, demonstrating only 1 component rather than three. Electrical diagrams for switchgear often have common apparatus functions designate by standard function amounts.
In electrical and electronic sector, a design diagram is frequently used to describe the design of equipment.  Initial schematics were done manually, using standardized templates or pre-printed adhesive symbols, however now electronic design automation applications (EDA or"electric CAD") is often used.
Schematic diagrams are used widely in repair guides to help users understand the interconnections of components, and also to give graphical training to assist in rebuilding and simplifying mechanical assemblies. Lots of motorcycle and automotive repair manuals devote a significant number of webpages to schematic diagrams.
A schematic, or schematic diagram, is a representation of these elements of a system using abstract, picture symbols instead of realistic images. A schematic generally communicates all details that are not pertinent to the information the schematic is meant to communicate, and might add unrealistic elements that aid comprehension. By way of instance, a subway map intended for passengers may signify a subway station using a scatter; the scatter does not resemble the true station whatsoever but gives the viewer information without unnecessary visual clutter. A schematic diagram of the chemical procedure utilizes symbols to represent the vessels, piping, valves, pumps, and other elements of the system, emphasizing their interconnection controlling and paths physical specifics. In an electronic circuit diagram, the design of the symbols may not resemble the layout from the circuit. In the schematic diagram, the emblematic elements are organized to be more easily interpreted by the viewer.
In electronic design automation, even before the 1980s schematics were practically the sole proper representation for circuits. More recently, together with the advancement of computer technology, other representations were introduced and specialized computer languages were developed, because with all the explosive increase of the complexity of digital circuits, conventional schematics have become less functional. For example, hardware description languages are crucial for modern electronic circuit design.
Schematics for digital circuits are prepared by designers utilizing EDA (electronic design automation) tools called schematic capture applications or schematic entry tools. These tools go beyond simple drawing of connections and devices. Usually they are incorporated into the whole IC design flow and linked to additional EDA tools for verification and simulation of this circuit under design.