a small task or piece of work, especially an ordinary everyday task in the home
task
an order
directive, instruction
something a person must do because of morality, law, conscience etc
responsibility, assignment
something that it is essential to see, do, hear etc; (used to express an obligation or an order)
necessity, essential
a condition, fact, of feeling that something necessary is absent; things considered to be necessary; misfortune, bad circumstance
want, requirement
a promise, duty or condition that shows what action ought to be taken (e.g. the law, one's duty, a sense of what is right)
responsibility
(used to tell a person about a present or past duty or obligation) (used to express an opinion, give advice etc about the present or past)
necessity, essential