This is the 164th most frequent Indonesian word.
jelas
Clear.
Here, 'jelas' is used as an adverb, describing the manner in which the person was speaking, indicating clarity of sound.
Dia berbicara dengan suara yang jelas meskipun ada kebisingan di sekitarnya.
He spoke with a clear voice despite the surrounding noise.
In this case, 'jelas' conveys the idea of being the most apparent or evident option, functioning descriptively within the sentence.
Saya yakin bahwa keputusan ini adalah pilihan yang jelas.
I am convinced that this decision is the obvious choice.
In this sentence, 'jelas' is used as an adjective, describing the explanation as being clear and easy to understand.