It means any F1/F2/J1/B2 etc related doc.

所有跟帖： 

• 就是說要把我和LD的所有F1/F2, H1/H4批文付上去? -tuma- ♂ (0 bytes) () 01/15/2009 postreply 09:50:04

• I think just F1/F2, non-immigrant -any_mor_left- ♂ (0 bytes) () 01/15/2009 postreply 13:36:40

• Thanks a lot -tuma- ♂ (0 bytes) () 01/15/2009 postreply 16:13:31