This is the 1388th most frequent Swedish word.
allmänna
"Allmänna" means "general" or "public" in English.
In this sentence, 'allmänna' is used as an adjective meaning 'general' or 'public', describing the rules that are applicable to all individuals.
De allmänna reglerna gäller för alla.
The general rules apply to everyone.
Here, 'allmänna' functions as an adjective to characterize the problems that are broad and affect the public or society in general.
Vi diskuterade de allmänna problemen i samhället.
We discussed the general problems in society.
In this context, 'allmän' (singular form) describes the park as being open and accessible to the public.