Those optional updates are LIP's (Windows L
ack). LIP's should only be available as optional updates if you are running Vista / Seven Ultimate or Enterprise editions. Other editions should not see these updates.
Currently there are 35 languages available, a normal one-language installation of Vista or Seven should therefore see 34 LIP's. The OP shows 32 available which is a bit curious; it basically indicates that one LIP is already installed on top of the original installation language.
My Windows Update shows 31 available because I have installed German, Finnish and Swedish languages on top of my English Windows 7, thus making a system where user can login in four different languages: