This Forest River schematics is a representation of the forest river schematics elements. The schematic diagram is nothing more than an electrical map. Electrical engineers use schematic diagrams to describe the electron source, electron path, and circuit components. This Forest River schematic is nothing more than an electrical diagram. Electrical engineers use schematic diagrams to describe the electron source, electron path, and circuit components. We use symbols rather than drawings of actual parts because characters are usually simpler and easier to draw. A schematic design is a rough construction drawing that provides a general overview of a project's basic features and construction cost estimates, allowing you to determine whether or not your concept fits within the project budget.