1. there; over there; that place; yonder; you-know-where
place physically distant from both speaker and listener
あそこ、人が集まっているわ。There are people gathering over there.
2. that far; that much; that point
something psychologically distant from both speaker and listener
よく一瞬であそこまで怒らせたな。How did you manage to make them that angry in an instant?