This is the 496th most frequent Hungarian word.
arra
"Arra" means "to that" or "towards that" in English.
In this case, 'arra' indicates a specific direction or reference point in space.
Arra néztem, ahol a madár repült.
I looked towards where the bird was flying.
Here, 'arra' is used to introduce the idea or topic that is being thought about.
Arra gondoltam, hogy holnap kirándulunk.
I thought about us going hiking tomorrow.
In this example, 'arra' refers to the particular thing to be focused on or considered.