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store: add concept map

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this should help nativate the chapter by indicating which terms should
be known to understand a given concept.
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Valentin Gagarin 2022-06-09 14:17:28 +02:00
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doc/manual/src/architecture/store/store.md
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@ -3,6 +3,28 @@
A Nix store is a collection of *store objects* with references between them.
It supports operations to manipulate that collection.
The following concept map is a graphical outline of this chapter.
Arrows indicate suggested reading order.
```
,----------------------[ store ]
| |
v v
[ store object ] [ operations ]----------------------,
| | |
v v |
[ files and processes ] [ build ]--------->[ derivation ] |
| | | | |
v v v v |
[ file system object ] [ store path ]--->[ reference scanning ]--->[ closure ] |
| ^ | |
v | v v
[ digest ]--------------' [ garbage collection ]
/ \
v v
[ input addressing ] [ content addressing ]
```
## Store Object {#store-object}
A store object can hold