added comments to sections.

config.org

@@ -731,7 +731,7 @@ Also replaces ace-window for buffer switching.
 #+END_SRC
 
 * Vertico
-Vertico is a completion ui for the minibuffer and replaced selectrum.
+Vertico is a completion ui for the minibuffer.
 [[https://github.com/minad/vertico][Vertico Github]]
 
 #+begin_src emacs-lisp
@@ -743,7 +743,7 @@ Vertico is a completion ui for the minibuffer and replaced selectrum.
 #+end_src
 
 * Corfu
-Completion ui, replaces company.
+Completion ui for the buffer.
 [[https://github.com/minad/corfu][Corfu Github]]
 
 #+begin_src emacs-lisp
@@ -790,9 +790,8 @@ Completion ui, replaces company.
 #+end_src
 
 * Cape
-Adds completions for corfu
 [[https://github.com/minad/cape][Cape Github]]
-
+Backend completions for the buffer (not minibuffer).
 Available functions:
 dabbrev, file, history, keyword, tex, sgml, rfc1345, abbrev, ispell, dict, symbol, line
 
@@ -828,7 +827,7 @@ Make corfu pretty
 
 * Orderless
 [[https://github.com/oantolin/orderless][Orderless Github]]
-Orderless orders the suggestions by recency. The package prescient orders by frequency.
+Orderless orders the suggestions by recency. Works for vertico and corfu.
 
 #+begin_src emacs-lisp
 (use-package orderless
@@ -842,6 +841,7 @@ Orderless orders the suggestions by recency. The package prescient orders by fre
 
 * Consult
 [[https://github.com/minad/consult][Github]]
+Backend completion functions for the minibuffer.
 Default preview key: M-.
 
 #+begin_src emacs-lisp
@@ -867,7 +867,7 @@ Default preview key: M-.
 
 * Marginalia
 [[https://github.com/minad/marginalia/][Github]]
-Adds additional information to the minibuffer
+Adds additional information/annotations to the minibuffer
 #+begin_src emacs-lisp
 (use-package marginalia
   :ensure t
@@ -883,7 +883,7 @@ Adds additional information to the minibuffer
                            nil)))
 #+end_src
 * Embark
-Does stuff in the minibuffer results
+Actions on the completion buffer.
 #+begin_src emacs-lisp
 (use-package embark
   :ensure t