1. A command or directive in programming that may or may not be executed based on certain conditions or user choice
The optional instruction allows the program to skip this step if the condition is not met.
A instrução opcional permite que o programa ignore esta etapa se a condição não for atendida.
2. An instruction that is not mandatory; guidance that can be followed at the discretion of the recipient
The teacher provided optional instructions for students who wanted extra credit.
O professor forneceu instruções opcionais para alunos que queriam crédito extra.