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doc: provide context in glossary definitions (#9378)

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21
doc/manual/src/glossary.md
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@ -3,10 +3,10 @@
- [derivation]{#gloss-derivation}
A description of a build task. The result of a derivation is a
store object. Derivations are typically specified in Nix expressions
store object. Derivations declared in Nix expressions are specified
using the [`derivation` primitive](./language/derivations.md). These are
translated into low-level *store derivations* (implicitly by
`nix-env` and `nix-build`, or explicitly by `nix-instantiate`).
`nix-build`, or explicitly by `nix-instantiate`).
[derivation]: #gloss-derivation
@ -14,6 +14,7 @@
A [derivation] represented as a `.drv` file in the [store].
It has a [store path], like any [store object].
It is the [instantiated][instantiate] form of a derivation.
Example: `/nix/store/g946hcz4c8mdvq2g8vxx42z51qb71rvp-git-2.38.1.drv`
@ -23,9 +24,9 @@
- [instantiate]{#gloss-instantiate}, instantiation
Translate a [derivation] into a [store derivation].
Save an evaluated [derivation] as a [store derivation] in the Nix [store].
See [`nix-instantiate`](./command-ref/nix-instantiate.md).
See [`nix-instantiate`](./command-ref/nix-instantiate.md), which produces a store derivation from a Nix expression that evaluates to a derivation.
[instantiate]: #gloss-instantiate
@ -66,7 +67,7 @@
From the perspective of the location where Nix is invoked, the Nix store can be referred to _local_ or _remote_.
Only a [local store]{#gloss-local-store} exposes a location in the file system of the machine where Nix is invoked that allows access to store objects, typically `/nix/store`.
Local stores can be used for building [derivations](#derivation).
Local stores can be used for building [derivations](#gloss-derivation).
See [Local Store](@docroot@/command-ref/new-cli/nix3-help-stores.md#local-store) for details.
[store]: #gloss-store
@ -168,9 +169,10 @@
A high-level description of software packages and compositions
thereof. Deploying software using Nix entails writing Nix
expressions for your packages. Nix expressions are translated to
derivations that are stored in the Nix store. These derivations can
then be built.
expressions for your packages. Nix expressions specify [derivations][derivation],
which are [instantiated][instantiate] into the Nix store as [store derivations][store derivation].
These derivations can then be [realised][realise] to produce
[outputs][output].
- [reference]{#gloss-reference}
@ -222,6 +224,9 @@
The [store derivation] that produced an [output path].
The deriver for an output path can be queried with the `--deriver` option to
[`nix-store --query`](@docroot@/command-ref/nix-store/query.md).
- [validity]{#gloss-validity}
A store path is valid if all [store object]s in its [closure] can be read from the [store].