Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Qualifying for the 2014 FIBA Asia Cup was held to determine the eight teams that will participate in the 2014 FIBA Asia Cup, aside from the host team China and 2013 FIBA Asia Championship winners Iran. Qualification was via FIBA Asia zone, with each zone having an automatic one berth, plus additional berths from the teams' zones of the second and third runners-up in the 2013 FIBA Asia Championship.
Central Asia
Uzbekistan was Central Asia's representative, but withdrew prior to the tournament. They were not replaced.
East Asia
Chinese Taipei and Japan qualified automatically by virtue of being the lone registrants in East Asian qualifying.
The 2014 West Asian Basketball Association Championship in Amman, Jordan determined South Asia's qualifier. Iran, which has sent in its under-18 team in preparation for the 2014 FIBA Asia Under-18 Championship automatically qualified whether or not they win the tournament by virtue of winning the 2013 FIBA Asia Championship.