These tools go beyond easy drawing of connections and devices. Usually they are integrated into the whole IC design flow and connected to other EDA tools for simulation and verification of the circuit under design.
In electronic design automation, even until the 1980s schematics were almost the sole formal representation for circuits. More recently, with the progress of computer technologies, other representations were introduced and technical computer languages have been developed, since using the explosive growth of the complexity of digital circuits, conventional schematics are becoming less functional. As an example, hardware description languages are crucial for modern digital circuit design.
In electrical and electronic industry, a schematic diagram is frequently utilized to describe the design of equipment. Schematic diagrams are often used for the maintenance and repair of electronic and electromechanical systems.  Initial schematics were done manually, with standardized templates or off-the-shelf glue symbols, but now electronic design automation software (EDA or"electrical CAD") is often utilized.
A semi-schematic diagram combines a number of the abstraction of a purely schematic diagram with other elements exhibited as realistically as possible, for a variety of factors. It's a compromise between a purely abstract diagram (e.g. the design of the Washington Metro) along with a completely realistic representation (e.g. the corresponding aerial perspective of Washington).
Schematic diagrams have been used widely in repair guides to help users understand the interconnections of parts, and to supply graphical training to assist in rebuilding and simplifying mechanical assemblies. Many automotive and motorcycle repair manuals devote a significant number of pages to schematic diagrams.
A schematic, or schematic diagram, is a representation of these components of a system using abstract, picture symbols as opposed to realistic images. A schematic usually omits all details which are not relevant to the data the schematic is meant to convey, and might add unrealistic components that assist understanding. As an instance, a subway map meant for passengers may signify a subway station with a dot; the scatter doesn't resemble the actual station at all but gives the viewer info without unnecessary visual clutter. A schematic diagram of the chemical procedure uses symbols to represent the vessels, piping, valves, pumps, and other equipment of the system, highlighting their interconnection controlling and paths physiological particulars. In a digital circuit design, the layout of the symbols might not resemble the design from the circuit. From the design diagram, the emblematic elements are arranged to be more easily interpreted by the viewer.
In electric power systems design, a schematic drawing known as a one-line diagram is often utilised to symbolize substations, distribution methods or even whole electric power grids. All these diagrams simplify and compress the facts that would be repeated on each stage of a three-phase system, demonstrating just one component rather than three. Electrical diagrams such as switchgear frequently have common apparatus functions designate by regular function amounts.