@@ -343,11 +343,12 @@ desk.
343343
344344`mim` is a cache of the content in the directories that are mounted to Unix.
345345Often, we convert to/from mime without anything really having changed; this lets
346−us short-circuit that in some cases. Whenever you `%give` an `%ergo` `gift`, you
347−must update this.
346+us short-circuit that in some cases. Whenever you `%give` an `%ergo` `gift`
347+(updating the unix sync), `mim` is updated to reflect this.
348348
349−`fod` is the Ford cache, which keeps files, `mark`s, `cast`s, and `tube`s
350−currently being used by Ford handy.
349+`fod` is the Ford cache, which keeps a cache of the results of builds performed
350+at this `desk`'s current revision, including a full transitive closure of
351+dependencies for each completed build.
351352
352353`fer` is the system file cache, which consists of `vase`s for `hoon.hoon`,
353354`arvo.hoon`, `lull.hoon`, and `zuse.hoon`.