日本語 Japanese Ask Questions Thread 4

If you have a question about the language, ask it and fellow 4channers might see it and answer it for you.


Japanese Ask Questions Thread2
http://dis.4chan.org/read/lang/1206158123/1-40

Japanese Ask Questions Thread3
http://dis.4chan.org/read/lang/1267485093/1-40

This has been bugging me for a while, but can someone explain the difference between on'yomi and kun'yomi in Layman's terms?
Examples would be great. I'd also highly appreciate it if anyone had recommendations for sources on learning when/where to use each of them