ὡς conjunctive is found in dependent clauses.
Declarative: that, like ὅτι. Cp. cross2577 ff., 2614 ff.
Final: that, in order that; like ἵνα, but not used in standard Attic prose. Cp. cross2193.
Causal: as, inasmuch as, since, seeing that, like ὅτι, ἐπεί, etc. Cp. cross2240.
Consecutive: so that, like ὥστε. Usually with the infinitive, sometimes with the indicative. Cp. cross2260.
Temporal: after, like ἐπεί; sometimes when, whenever. Cp. cross2383.
Herbert Weir Smyth [n.d.], A Greek Grammar for Colleges; Machine readable text [info] [word count] [Smyth].