This is the 8142nd most frequent Swedish word.
aktiviteterna
"The activities."
Here, 'aktiviteterna' refers to specific activities that were offered, using a definite plural form indicating a known set of activities.
Aktiviteterna som erbjöds på festivalen var mycket populära.
The activities offered at the festival were very popular.
In this sentence, 'aktiviteterna' refers to specific planned activities, indicating attachment to the context of the discussion about the meeting.
Vi har diskuterat aktiviteterna för nästa månads möte.
We have discussed the activities for next month's meeting.
Here, 'aktiviteterna' relates to specific organized activities for children, implying they are a definite group known from the context.