Czit.zip -

A section at the end of the file that lists all contents, starting with: 0x50 0x4B 0x01 0x02 .

Some utilities like ZipGenius use a "CZIP" feature to create a secure, encrypted envelope for standard ZIP archives. 2. Slang & Idiomatic Use czit.zip

It is considered informal and often rude, used to tell someone to keep a secret or stop being annoying. A section at the end of the file

The phrase is a common American idiom meaning "be quiet" or "stop talking". Slang & Idiomatic Use It is considered informal

Определение ZIP IT в кембриджском словаре английского языка

If you are looking for text related to the structure or handling of ZIP files (sometimes referred to as in specific encryption tools), the following information covers the standard text and headers found in these files:

The marker that tells software where the archive ends: 0x50 0x4B 0x05 0x06 .