as far as

https://tts.langeek.co/read?text=YXMgZmFyIGFz&hash=a712a741d599ea6bfba41ab07a28619489f3d806&lang=en&cache-only=0&driver=googletts&accent=US

These conjunction connect a clause that indicates the extent to which the other clause is applicable or the manner in which it is done.