This is the 7311th most frequent Portuguese word.
manual
Manual: A handbook or guide providing instructions or information.
In this case, 'manual' refers to an instruction book documenting steps to complete a task.
Ele seguiu o manual para montar o armário.
He followed the manual to assemble the cabinet.
Here, 'manual' is used as an adjective describing something that requires manual control or operation.
O carro é manual, não automático.
The car is manual, not automatic.
In this sentence, 'manual' describes an action ('manually') as performed by hand, emphasizing its technique.