This is the 238th most frequent Icelandic word.
reglur
Rules.
Here, 'reglur' refers literally to regulations or rules.
Við höfum margar reglur í þessu húsi.
We have many rules in this house.
In this context, 'reglur' pertains to the rules governing the game.
Þessi leikur hefur einfaldar reglur.
This game has simple rules.
Here, 'reglur' implies guidelines or policies relevant to work.