This is the 12005th most frequent Swedish word.
regeln
"The rule."
The word 'regeln' is used here as a noun in definite form, referring to a specific guideline or rule that must be followed in a particular context.
Regeln för parkering här är ganska strikt.
The rule for parking here is quite strict.
In this sentence, 'regeln' again appears as a noun in definite form, indicating a specific rule that is actively being modified or adapted.
Hon justerade regeln för att passa projektet bättre.
She adjusted the rule to better suit the project.
Here, 'regeln' indicates a singular specific rule related to an activity (in this case, a game). This usage establishes the framework or guidelines needed for participation.