With a droplet, I know I can do the following if I’m not going to use the droplet for a long time:

• take a snapshot of the droplet
• destroy the droplet but keep the snapshot, for a fraction of the price per month compared to keeping the droplet itself “alive”
• later restore the droplet from the snapshot

Can I do the same with a VOLUME?
That is:

• is it possible to take snapshots of a volume at all?
• is it possible to keep a snapshot after the volume from which I took it is destroyed?
• is the price per month of keeping a snapshot much lower than the price of keeping the volume active? (otherwise the whole thing wouldn’t make sense)
• is it possible to restore a volume from a snapshot? Well I guess if all the above are yes, then this must be a yes too because what would be a snapshot for if you couldn’t restore a volume from it, right? But is it possible after having destroyed the original volume and kept only the snapshot?