/usr/share/zsh/help/break is in zsh-common 5.3.1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 | break [ n ]
       Exit from an enclosing for, while, until, select or repeat loop.
       If  an arithmetic expression n is specified, then break n levels
       instead of just one.
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