Here's a technical variant of a schematic diagram. The major intent of this diagram is to show the logic (speaking to electrical management ) of a circuit board. This diagram is the one I mostly encounter in my line of work, and it is very successful for troubleshooting issues or learning the way the circuit functions. Some frequencies are so enormous that many kinds of schematic diagrams need to be read in increments in novel form (generally with coded numbers so info can be simpler located ). Again, here is the exact identical precise circuit since the first two, however, considering it in ladder type.
A design diagram refers to a particular type of circuit structure which uses standard electrical/electronic symbols rather than pictures to show the way the circuit (or part of it) functions. Below is a typical 3-wire motor controller circuit using a typical momentary stop - start pushbutton channel using a schematic diagram. (Momentary here means the button/switch you trigger will go back to its default location once you physically let go of this, usually by a spring that compels the button/switch to do this.)
Less clutter? I've got enough info in all of these diagrams to know precisely what this circuit will do and where to start looking for issues. Hope that this helps. ( Note: don't confuse circuit or schematic diagrams together with wiring diagrams; wiring diagrams will typically demonstrate pictures of components such as the pictorial, and also how the entire or portion of a circuit is wired. The distinction is that wiring diagrams usually place an emphasis on real physical place of necessary elements relative to each individual that basically tell a layman Just What to do concerning the wiring. )
Consider it this way; a circuit diagram is any type of diagram that illustrates how a circuit functions where the primary purpose is that the proper wiring of elements and their relationship to each other instead of physical location relative to one another or planning prototypes. However, in some uses Assessing diagrams can be difficult so consider this as general advice. I have discovered this is especially true when working with much more complicated circuits and electronic equipment. I'm likely to use a simpler but average industrial circuit since these circuit setups are exactly the same, but yet where you're able to see how each type of diagram indicates the function of the circuit in their own manners.
Pictorial design diagrams, or graphic circuit diagrams are basically the exact same thing with exactly the exact identical function, but they use images of components within the circuit instead of symbols. Again, here's the exact same precise circuit (almost except a controller was added and they are utilizing conductors L1 and L3 rather than L1 and L2.
Here's another schematic diagram demonstrating exactly the same circuit, connections and components and it appears different but they both fall into exactly the exact identical category.