A semi-schematic diagram combines a number of these abstraction of a purely schematic diagram with different components displayed as realistically as you can, for a variety of reasons. It is a compromise between a purely subjective diagram (e.g. the design of the Washington Metro) and an exclusively pragmatic representation (e.g. the corresponding aerial perspective of Washington).
Schematic diagrams are used extensively in repair manuals to help users understand the interconnections of components, and to provide graphical training to help out with dismantling and rebuilding mechanical assemblies. Many motorcycle and automotive repair manuals give a significant number of pages on schematic diagrams.
In electronic and electrical industry, a schematic diagram is frequently utilised to describe the design of gear.  Initial schematics were done manually, with standardized templates or pre-printed glue symbols, however now electronic design automation applications (EDA or"electric CAD") can be used.
These instruments go beyond straightforward drawing of connections and devices. Usually they are integrated into the whole IC design flow and also linked to other EDA tools for verification and simulation of the circuit under design.
In electronic design automation, even before the 1980s schematics were almost the sole proper representation for circuits. More recently, together with the progress of computer technologies, other representations were introduced and technical computer languages were developed, because with all the explosive growth of the complexity of electronic circuits, conventional schematics have become less practical. For instance, hardware description languages are crucial for modern electronic circuit design.
In electrical power systems layout, a schematic drawing called a one-line diagram is frequently utilized to symbolize substations, distribution systems or even entire electrical power grids. These diagrams compress and simplify the details that would be replicated on each stage of a three-phase system, showing only 1 component instead of three. Electrical diagrams such as switchgear often have common device functions designate by standard function amounts.
A design, or schematic diagram, is a representation of these components of a system using abstract, graphic symbols as opposed to realistic pictures. A schematic usually omits all details that are not relevant to the information that the cheque is meant to communicate, and may add unrealistic components that aid comprehension. For instance, a subway map meant for passengers could signify a subway station with a dot; the scatter doesn't resemble the true station whatsoever but gives the viewer info without any unnecessary visual clutter. A schematic diagram of this compound procedure utilizes symbols to represent the valves, ducts, valves, pumps, and other equipment of the machine, emphasizing their interconnection paths and suppressing physiological particulars. In an electronic circuit design, the design of the symbols may not resemble the layout in the circuit. From the design diagram, the emblematic elements are arranged to be more easily interpreted by the viewer.