What do the Kurds mean by "self-determination"?

Since mid-December 2015, the Turkish military has intensified its campaign against PKK separatist militants, focusing on those towns and cities in predominantly Kurdish south-eastern Turkey that declared "self-determination". But what do the Kurds mean by self-determination and do all Kurdish people want the same thing?

Andrew Hosken has been to Turkey to report on the fighting for BBC Radio 4's The World Tonight.