Less mess? I've got enough information in every one these diagrams to know precisely what this circuit does and also where to start looking for issues. Hope that this helps. ( Note: don't confuse lecture or circuit diagrams together with wiring diagrams; wiring diagrams will typically show pictures of elements such as the pictorial, and also how the whole or part of a circuit will be wired. The distinction is that wiring diagrams typically place an emphasis on actual physical location of necessary components relative to each other that essentially tell a layman Just What to do concerning the wiring. )
Here is a specialized variant of a design diagram. The major aim of this diagram is to show the logic (speaking to electrical management ) of a circuit. This diagram is the one I mostly come across in my line of work, and it's extremely effective for troubleshooting problems or learning the way the circuit functions. Some circuits are so huge that many kinds of schematic diagrams need to be recorded in increments in novel form (normally with coded numbers so that information can be simpler found). Again, here's the identical exact circuit since the first two, but looking at it in ladder shape.
Pictorial schematic diagrams, or graphic circuit diagrams are essentially the identical thing with exactly the identical purpose, but they use pictures of components inside the circuit rather than symbols. Again, here's the exact same exact circuit (virtually except a controller was included and they are using conductors L1 and L3 instead of L1 and L2.
Think of it this way; a circuit diagram is any sort of diagram that illustrates the way the circuit operates where the major goal is that the appropriate wiring of components and their relationship to each other rather than physical place relative to each other or planning prototypes. However, in some applications Assessing diagrams can be difficult so take this as general advice. I've discovered this is particularly true when dealing with more complicated circuits and electronics. I'm going to work with a more straightforward but typical industrial circuit since these circuit setups are exactly the same, but nevertheless where you can see how each kind of diagram shows the use of the circuit in their own manners.
A schematic diagram refers to a particular sort of circuit structure that utilizes standard electrical/electronic symbols instead of images to show the way the circuit (or portion of it) functions. Below is a normal 3-wire motor controller circuit using a typical short stop stop - start pushbutton station working with a schematic diagram. (Momentary this means that the button/switch you activate will go back to its default position once you physically let go of it, usually by a spring that forces the button/switch to do this.)
Here's another schematic diagram showing precisely the same circuit, components and connections and it appears different but they both fall into precisely the identical category.