This is the 11510th most frequent Portuguese word.
orientam
"Orientam" means "they guide" or "they orient" in English.
In this sentence, 'orientam' demonstrates an action of providing guidance or direction by the teachers to the students as they are working on a project.
Os professores orientam os alunos durante o projeto.
The teachers guide the students during the project.
Here, 'orientam' is used to denote the function of traffic signals in directing or informing drivers about the appropriate actions to take while driving.
Os sinais de trânsito orientam os motoristas nas ruas.
Traffic signals guide the drivers on the streets.
In this context, 'orientam' indicates how the stars serve as natural navigational tools for orienting sailors at sea after sunset.