expression
ahead; further on; beyond this place
Refers to a location or direction beyond the current point, often used in navigation or when giving directions.
これより先は立ち入り禁止です。
Beyond this point is off-limits.
これより先、道が狭くなります。
The road narrows ahead from here.
expression
before this; prior to this; earlier
Refers to a point in time before the current moment; often used in formal or written contexts to indicate something that occurred earlier.
これより先に述べたように、計画は変更されました。
As mentioned earlier, the plan has been changed.