“This voice,” she said, “it’s layered. Someone’s talking to someone who’s not there. That ledger? Might be a map. People trade things all the time without saying what’s being traded.”
: This could refer to a style of packaging or perhaps a slang term. Without more context, it's hard to pinpoint its relevance, but it might refer to something related to albums or merchandise packaging (like CDs or vinyl records often coming in zip-top plastic bags or cases). snoop+paid+tha+cost+to+be+da+boss+zip+top