This is the 65th most frequent Indonesian word.
hal
"Hal" in Indonesian means "thing," "matter," or "aspect."
Here, 'hal' is used to mean a 'matter' or 'subject' that is significant.
Hal itu sangat penting untuk dibahas.
That matter is very important to discuss.
'Hal' in this context means a 'thing' or an 'act' being described as noble.
Menolong orang lain adalah hal yang mulia.
Helping others is a noble thing.
In this usage, 'hal' is pluralized as 'hal-hal', meaning 'things', referring to small aspects.