1. A task or job that is absolutely necessary, fundamental, or critical to accomplish or maintain something
Completing the project on time is an essential task for the team.
Completar o projeto no prazo é uma tarefa essencial para a equipe.
2. A core responsibility or duty that cannot be postponed or neglected
Daily maintenance is an essential task in any factory.
A manutenção diária é uma tarefa essencial em qualquer fábrica.