assignment

/ə-ˈsīn-mənt/

noun

  1. the act of assigning something

  2. a position, post, or office to which one is assigned

  3. a specified task or amount of work assigned or undertaken as if assigned by authority

the assignment of a task

task duty job chore stint assignment mean a piece of work to be done. task implies work imposed by a person in authority or an employer or by circumstance. duty implies an obligation to perform or responsibility for performance.

noun

  1. the act of assigning something (such as a task) to oneself; also : the task or work that is assigned

working on/by self-assignment