Less mess, right? I've got enough info in each one these diagrams to know exactly what this circuit will do and where to start looking for problems. Hope this helps. ( Note: do not confuse circuit or schematic diagrams with wiring diagrams; wiring diagrams will usually show images of components like the pictorial, and also the way the entire or portion of a circuit has been wired. The difference is that wiring diagrams generally put an emphasis on actual physical place of necessary elements relative to each individual that essentially tell a layman exactly what to do concerning the wiring. )
A design diagram refers to a particular sort of circuit design which uses standard electrical/electronic symbols rather than images to demonstrate the way the circuit (or portion of it) works. Below is a normal 3-wire motor controller circuit employing a normal short stop halt - start pushbutton station employing a schematic diagram. (Momentary here means that the button/switch you trigger will go back to its default location once you let go of this, usually by a spring which forces the button/switch to get this done.)
Consider it this way; a circuit diagram is any type of diagram that demonstrates how a circuit functions where the main goal is the proper wiring of components and their connection to each other instead of physical location relative to each other or intending prototypes. Nonetheless, in some applications classifying diagrams can be hard so accept this as overall information. I've found this is especially true when dealing with more complicated circuits and electronic equipment. I'm likely to use a more straightforward but typical industrial circuit because these circuit setups are the exact same, but where it is possible to see how each type of diagram shows the use of the circuit in their own ways.
Here's another schematic diagram demonstrating exactly the same circuit, connections and components and it looks different but they fall into the identical category.
Pictorial design diagrams, or graphic circuit diagrams are essentially the exact identical thing with the identical function, however they use images of components within the circuit instead of symbols. Again, here is the exact same precise circuit (virtually except a control transformer was added and they're using conductors L1 and L3 instead of L1 and L2.
Here's a technical version of a design diagram. The principle intention of this diagram is to show the logic (speaking to electrical control) of a circuit. This really is the one that I mainly come across in my own line of work, and it is very successful for troubleshooting issues or learning how a circuit works. Some frequencies are so enormous that many kinds of schematic diagrams have to be recorded in increments in book form (typically with coded numbers so that info can be simpler located ). Again, here is the exact exact circuit because the first two weeks, but looking at it in ladder shape.