What is the difference?

What is the difference in saying,

salve or salvete
vale or valete

Salve and Vale are singular and used when speaking to only one person. Salvete and Valete are plural and used when speaking to a group.

Rhuiden

Thanks. Is that said somehwere in Wheelocks? I didn’t see it.

Yes, they are imperatives. They are discussed on the top of page 5 in the 6th edition.

Rhuiden