agent action http://purl.obolibrary.org/obo/NCIT_C25404 https://en.wikipedia.org/wiki/Action_(philosophy) https://www.wikidata.org/wiki/Q4026292 A thing done. accon acon acsion actions actyon excyon accion accione accioun accyon accyoun accyoune acsyon action actione actioun axion axyon accion āctiō accioun activity