A: 1) (relative part.)
1a) which, who
1b) that which
2) (conj)
2a) that (in obj clause)
2b) when
2c) since
2d) as
2e) conditional if
B: Beth+ 1) in (that) which
2) (adv)
2a) where
3) (conj)
3a) in that, inasmuch as
3b) on account of
C: Mem+ 1) from (or than) that which
2) from (the place) where
3) from (the fact) that, since