It can mean different things depending on the context, just like the crying of babies can mean different things: sometimes the baby is hungry, sometimes it's wet, sometimes it's hurt or afraid.
Artinya bisa beragam tergantung dari konteksnya, sama seperti tangisan bayi yang artinya bisa beragam: kadang si bayi lapar, kadang mengompol, kadang merasa sakit atau takut.