A schematic diagram refers to a specific type of circuit structure that utilizes standard electrical/electronic symbols instead of images to demonstrate how a circuit (or part of it) functions. Below is a normal 3-wire motor controller circuit using a normal short stop halt - start pushbutton station working with a schematic diagram. (Momentary here means the button/switch you trigger will go back to its default location once you let go of it, usually by a spring that forces the button/switch to do this.)
Consider it this way; a circuit structure is any sort of diagram which illustrates the way the circuit operates where the principal objective is that the appropriate wiring of elements and their connection to each other instead of physical location relative to each other or intending prototypes. Nonetheless, in some uses Assessing diagrams can be challenging so take this as general information. I have found this is especially true when dealing with much more complicated circuits and electronic equipment. I'm likely to use a simpler but average industrial circuit since these circuit set ups are the exact same, but yet where it is possible to observe how each kind of diagram indicates the use of the circuit in their own ways.
Here is another schematic diagram showing exactly the identical circuit, connections and components and it seems different but they fall into the identical category.
Pictorial design diagrams, or pictorial circuit diagrams are essentially the identical thing with exactly the exact identical purpose, but they use pictures of elements within the circuit instead of symbols. Again, here's the exact precise circuit (virtually except a controller was inserted and they are using conductors L1 and L3 rather than L1 and L2.
Following is a variant of a diagram known as a ladder design. The principal intent of this diagram will be to show the logic (referring to electrical control) of a circuit board. This really is the one I mainly come across in my own line of work, and it's very successful for troubleshooting issues or learning how a circuit works. Some frequencies are so enormous that many types of schematic diagrams have to be recorded in increments in novel form (usually with coded numbers so that information can be easier found). Again, here is the exact exact circuit as the first two weeks, but looking at it in ladder shape.
Less clutter? I've got enough info in each one these diagrams to know just what this circuit does and where to search for problems. Hope that this helps. ( Note: don't confuse lecture or circuit diagrams with wiring diagrams; wiring diagrams will typically 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 individual that essentially tell a layman exactly what to do about the wiring. )