Task (4)
'task' is the definition.
(I know that chore is a type of task)
This is the entire clue.
(Other definitions for chore that I've seen before include "A household or routine task" , "Unpleasant task" , "Onerous task" , "Mundane task" , "Tedious routine task" .)
'task' is the definition.
(I know that mission is a type of task)
This is the entire clue.
(Other definitions for mission that I've seen before include "Assignment - calling" , "important business" , "Journey with a specific purpose" , "Very dangerous assignment -- Tom Cruise film series" , "Special assignment" .)
'task' is the definition.
(I know that task can be written as job)
This is the entire clue.
(Other definitions for job that I've seen before include "Line" , "Post" , "Book; task" , "Task; paid position" , "Personification of patience" .)
'task' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for duty that I've seen before include "Obligatory task(s) - tax" , "Tariff" , "Kind of obligation or tax" , "Is one bound" , "Cancel (a law)" .)