[GitHub] [arrow] jonkeane commented on a diff in pull request #14294: ARROW-14280: [Doc] R package Architectural Overview

[GitBox <gi...@apache.org>]

jonkeane commented on code in PR #14294:
URL: https://github.com/apache/arrow/pull/14294#discussion_r992297781


##########
docs/source/developers/guide/architectural_overview.rst:
##########
@@ -39,5 +39,31 @@ For an Architectural Overview of Arrow's libraries please
 refer to:
 
 - :ref:`py_arch_overview`
-- R package Architectural Overview (in progress, see
-  `issue ARROW-14280 <https://issues.apache.org/jira/browse/ARROW-14280>`_)
+- R package Architecture can be found on this page.
+
+
+R package Architectural Overview
+--------------------------------
+
+.. figure:: /developers/images/R_architectural_overview.png
+   :alt: Main parts of R package architecture: dplyr-*,
+         dplyr-funcs*, tools, tests and src/.
+
+* The ``r/R/dplyr-*`` files define the verbs used in a regular
+  dplyr syntax on Arrow objects.
+* The ``r/R/dplyr-funcs*`` files define bindings to Arrow C++
+  functions that can be used with already defined dplyr verbs.
+* All the C++ code connected to the R package lives in ``arrow/r/src``.
+  It also includes C++ code which connects libarrow (the Arrow C++
+  library) and the R code in package.
+* If libarrow source package is bundled with R package using

Review Comment:
   ```suggestion
   * If the libarrow source package is bundled with R package using
   ```



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