Da'a
Da'a ko falsafar ɗabi'a reshe ne na falsafar da "ta haɗa da tsara tsari, karewa, da ba da shawarar ra'ayoyin halaye masu kyau da marasa kyau". Filin ɗabi'a, tare da kayan ado, ya shafi al'amura masu Karamci; wadannan fannonin sun kunshi reshen falsafar da ake kira axiology. 

Da'a na neman warware tambayoyi game da ɗabi'ar ɗan adam ta hanyar ma'anar ra'ayi kamar nagarta da mugunta, daidai da kuskure, nagarta da mugunta, adalci da aikata laifuka. A matsayin fannin bincike na hankali, falsafar ɗabi'a tana da alaƙa da fagagen ilimin halin ɗabi'a, da'a bayyananne, da ka'idar kima.

Manyan fannoni guda uku na nazari a cikin ɗabi'un da aka gane a yau sune:

 Meta-da'a, game da ma'anar ma'anar da tunani na kyawawan halaye, da kuma yadda za'a iya ƙayyade ƙimar gaskiyar su (idan akwai);
 Da'a na al'ada, game da hanyoyin da ake amfani da su na ƙayyade hanyar aiki na ɗabi'a;
 Halayen da aka yi amfani da su, game da abin da ya wajaba (ko halatta) mutum ya yi a cikin wani yanayi na musamman ko wani yanki na aiki.

Kalmar Ingilishi ta ɗabi'a ta samo asali ne daga kalmar tsohuwar Girkanci ēthikós (  ), ma'ana "dangantaka da halin mutum", wanda ita kanta ta fito daga tushen kalmar êthos (  ) ma'ana "halaye, dabi'a na ɗabi'a". An canza wannan kalmar zuwa Latin a matsayin ɗabi'a sannan zuwa Faransanci a matsayin éthique, daga inda aka canza ta zuwa Turanci.

Rushworth Kidder ya bayyana cewa "ma'anar ma'anar ɗabi'a yawanci sun haɗa da irin waɗannan kalmomi kamar 'kimiyyar kyawawan halayen ɗan adam' ko 'kimiyyar ɗabi'a' ". Richard William Paul da Linda Dattijo sun bayyana ɗabi'a a matsayin "tsari na ra'ayoyi da ƙa'idodi waɗanda ke jagorantar mu wajen tantance ko wane hali ke taimakawa ko cutar da halittu masu rai". The Cambridge Dictionary of Philosophy ya bayyana cewa kalmar "da'a" "ana amfani da ita tare da ' halin kirki '. ... kuma a wasu lokuta ana amfani da shi mafi ƙunci don nufin ƙa'idodin ɗabi'a na wata al'ada, ƙungiya ko mutum." Bulus da Dattijo sun bayyana cewa yawancin mutane suna rikita ɗabi'a tare da ɗabi'a daidai da ƙa'idodin zamantakewa, imani na addini, doka, kuma ba sa ɗaukar ɗabi'a azaman ra'ayi kaɗai.

Manazarta