There are multiple definitions - click on the translation that matches your context.

tarefa

substantivo

full

assignment

noun

Definitions of assignment

a complete transfer of ownership

The assignment of shares for the benefit of spouses is not subject to restriction.

a position or work that is given to someone to do as part of their job or studies

I have to finish this assignment by the end of the week.

transfer of rights under an agreement

The contract expressly prohibited assignment of any contractual rights.