Following is a specialized variant of a diagram known as a ladder structure. The main goal of this diagram will be to show the logic (referring to electric control) of a circuit. This diagram is the one that I mostly come across in my own line of work, and it is very effective for troubleshooting problems or learning the way the circuit works. Some circuits are so enormous that most types of schematic diagrams need to be recorded in increments in book form (typically with coded numbers so that information can be simpler found). Again, here's the exact same specific circuit because the first two, but looking at it in ladder form.
Here's another schematic diagram demonstrating the identical circuit, connections and components and it looks different but they both fall into precisely exactly the exact identical category.
Think of it this way; a circuit diagram is any kind of diagram that illustrates the way the circuit functions where the primary goal is the appropriate wiring of components and their relationship to each other instead of physical location relative to each other or planning prototypes. However, in some uses Assessing diagrams can be difficult so consider this as general information. I have discovered this is particularly true when dealing with much more complex circuits and electronics. I'm going to work with a more straightforward but typical industrial circuit since these circuit setups are the exact same, but where it is possible to see how each type of diagram indicates the function of the circuit in their own manners.
Pictorial schematic diagrams, or pictorial circuit diagrams are essentially the identical thing with exactly the identical purpose, but they use pictures of components within the circuit instead of symbols. Again, here is the identical specific circuit (almost except a controller was included and they are using conductors L1 and L3 instead of L1 and L2.
Right, Less clutter? I've got enough information in each one of these diagrams to know precisely what this circuit does and where to start looking for issues. Hope that this helps. ( Note: do not confuse circuit or schematic diagrams with wiring diagrams; wiring diagrams will usually show images of elements like the pictorial, and also the way the entire or part of a circuit is wired. The difference is that wiring diagrams usually place an emphasis on real physical place of necessary elements relative to each other that basically tell a layman exactly what to do about the wiring)
A schematic diagram refers to a particular sort of circuit structure that uses standard electrical/electronic symbols rather than pictures to show the way the circuit (or portion of it) works. Below is a normal 3-wire motor controller circuit using a normal short stop halt - start pushbutton channel utilizing a schematic diagram. (Momentary this means the button/switch you activate will go back to its default location once you physically let go of it, typically by a spring that compels the button/switch to do this.)