HELP w De-Coding the Wiring Diagram?

[BigBird2]

Is there a source/link etc. that will tell me how to read & understand all the "codes" used like "-x24", "BP/4" and what all the various connector symbols mean? The Repair Manual gives me the info for the main components, like the CDI, Starter, etc. but not for the lesser items like connectors, etc.

Thanks for any help.

[dirtbikeace]

https://www.ktm-parts.com/pdf/TechBu...Connectors.pdf