"Communities of practice are groups of people who share a concern or passion for something that they do – and they learn how to do it better as they interact regularly."
"Mae cymunedau ymarfer yn grwpiau o bobl sy’n rhannu pryder neu angerdd tuag at rywbeth y maen nhw’n ei wneud – a dysgant sut i’w wneud yn well am eu bod yn rhyngweithio’n rheolaidd."