Think of onion layers.

It had to do with peeling off the onion layer of shorthand and discovering another layer beneath it.

Separate onion layers, and add to skillet.

Slice off the top and hollow out the center with a spoon, leaving four onion layers intact.

And the onion layer won't come off, My Lady.

With effectively infinite storage capacity, the upgrades, adaptors, retrocryptors, and interpreters had accumulated like binary onion layers around each node.

Remove the epidermal layers by cutting the onion and peeling them off (they are the membrane-like sheaths between each onion layer).

And it's taken quite many months to peel the onion layers off this payload.

"This was what Chris Cox stumbled onto as he started peeling the onion layers back," said William Schneider Jr., a Rumsfeld commission member.

Do you believe that I'm only an onion layer to you?