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## Current Behavior
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`nx affected` documentation was unclear and did not state what affected
projects actually meant.
## Expected Behavior
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-->
Adds a clear definition of "affected projects" to the CLI documentation.
Affected projects are projects that have been changed and projects that
depend on the changed projects.
## Related Issue(s)
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merged. -->
Fixes#30712
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Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>