diff --git a/lisp/my/my-tool-bar.el b/lisp/my/my-tool-bar.el
index 29159a08..e19dd157 100644
--- a/lisp/my/my-tool-bar.el
+++ b/lisp/my/my-tool-bar.el
@@ -129,16 +129,28 @@
     (comment-or-uncomment-region (region-beginning) (region-end))
     ;; (comment-dwim)
     ))
-(defvar my-tool-bar-button-fill "Comment "
+(defvar my-tool-bar-button-comment "Comment "
   "Button to run `comment-or-uncomment-region'.")
 
-(defun my-tool-bar-function-hide (event)
-  "Run `my-org-hide'."
+(defun my-hide-elements ()
+  "."
   (interactive "e")
   (let ()
-    (my-org-hide) ))
-(defvar my-tool-bar-button-fill "(Un)hide "
-  "Button to run `my-org-hide'.")
+    (pcase major-mode
+      ('org-mode
+       (let ()
+         (my-org-toggle-elements)
+         ))
+      (_ (message "%s: %s" "not defined for this major-mode"
+                  major-mode)) )
+    ))
+(defun my-tool-bar-function-hide (event)
+  "Run `my-hide-elements' inside org-mode."
+  (interactive "e")
+  (let ()
+    (my-hide-elements)))
+(defvar my-tool-bar-button-hide "(Un)hide "
+  "Button to run `my-hide-elements' inside org-mode.")
 
 (defun my-tool-bar-function-spell (event)
   "Run `flyspell-mode' and `flyspell-buffer'."
@@ -164,6 +176,25 @@
 (defvar my-tool-bar-button-langtool "langtool "
   "Button to run `langtool-check-buffer'.")
 
+(defun my-tool-bar-function-play (event)
+  "Run `C-c'."
+  (interactive "e")
+  (let ()
+    (pcase major-mode
+      ('org-mode (org-ctrl-c-ctrl-c))
+      (_ (message "%s: %s" "not defined for this major-mode"
+                  major-mode)) )))
+(defvar my-tool-bar-button-play "Cc "
+  "Button to run `C-c'.")
+
+(defun my-tool-bar-function-read (event)
+  "Run `my-distraction-free'."
+  (interactive "e")
+  (let ()
+    (my-distraction-free) ))
+(defvar my-tool-bar-button-read "Rdv "
+  "Button to run `my-distraction-free'.")
+
 ;; (defun my-tool-bar-format-save ()
 ;;   "Produce the Menu button for the tool bar that shows the menu bar."
 ;;   `((menu-bar menu-item ,my-tool-bar-button-save
@@ -217,7 +248,8 @@ You can hide these buttons by customizing `tab-bar-format' and removing
                      (propertize "`revert-buffer'"
                                  'face 'font-lock-constant-face)))
 
-      (sep-1 menu-item ,(tab-bar-separator) ignore)
+      ;; (sep-1 menu-item ,(tab-bar-separator) ignore)
+      (sep-1 menu-item "  " ignore :enable nil :help "")
 
       (undo
        menu-item ,my-tool-bar-button-undo my-tool-bar-function-undo
@@ -254,15 +286,16 @@ You can hide these buttons by customizing `tab-bar-format' and removing
        :help (concat "Comment text in region "
                      (propertize "`comment-or-uncomment-region'"
                                  'face 'font-lock-constant-face)))
-      (comment
-       menu-item ,my-tool-bar-button-hide my-tool-bar-function-hide
-       :help (concat "(Un)hide elements "
-                     (propertize "`my-org-hide'"
+      (play
+       menu-item ,my-tool-bar-button-play my-tool-bar-function-play
+       :help (concat "Run "
+                     (propertize "`C-c'"
                                  'face 'font-lock-constant-face)))
 
-      (sep-2 menu-item ,(tab-bar-separator) ignore)
+      ;; (sep-2 menu-item ,(tab-bar-separator) ignore)
       ;; (sep-2 menu-item ,my-tool-bar-separator ignore
-      ;;        :enable nil :help "")
+      ;;         :enable nil :help "")
+      (sep-2 menu-item "  " ignore :enable nil :help "")
 
       (spell
        menu-item ,my-tool-bar-button-spell my-tool-bar-function-spell
@@ -274,12 +307,28 @@ You can hide these buttons by customizing `tab-bar-format' and removing
        :help (concat "LanguageTool "
                      (propertize "`langtool-check-buffer'"
                                  'face 'font-lock-constant-face)))
-      (sep-tool-bar menu-item ,(my-tool-bar-newline) ignore))))
+      (hide
+       menu-item ,my-tool-bar-button-hide my-tool-bar-function-hide
+       :help (concat "(Un)hide elements "
+                     (propertize "`my-hide-elements'"
+                                 'face 'font-lock-constant-face)))
+      (read
+       menu-item ,my-tool-bar-button-read my-tool-bar-function-read
+       :help (concat "Read view "
+                     (propertize "`my-distraction-free'"
+                                 'face 'font-lock-constant-face)))
+      
+      (sep-tool-bar menu-item ,(my-tool-bar-newline) ignore)
+      
+      )))
 
 (defun my-tool-bar--load-buttons ()
   "Load the icons for the tool bar buttons.
 See `image-load-path' for possible locations for images.
-See `icon-preference' for the order of type preference."
+See `icon-preference' for the type order to load.
+See `create-image' and `icons--create' and info node `(elisp) Image Descriptors' for the properties of an image."
+  ;; (info "(elisp) Image Descriptors")
+  
   ;; (emoji "<empji>")     see e.g. https://emojipedia.org/hamburger
   ;; (symbol "<unicode>")  see e.g. https://www.compart.com/en/unicode/U+2630
   (require 'icons)
@@ -291,12 +340,12 @@ See `icon-preference' for the order of type preference."
     (define-icon my-tool-bar-icon-separator nil
       `((image "separator.xpm"
                :height (1.5 . em)
-               :margin ,tab-bar-button-margin
+               :margin (5 . 1)
                :ascent center)
         (text " "
               ;; :face tab-bar-tab-inactive
               ))
-      "Icon for save."
+      "Separator."
       :version "29.1"))
   (setq my-tool-bar-separator (icon-string 'my-tool-bar-icon-separator))
 
@@ -310,7 +359,7 @@ See `icon-preference' for the order of type preference."
                :ascent center)
         (emoji "📂")
         (symbol "🗀 ")  ;; 🗁 🗀 
-        (text "Open "
+        (text "Opn "
               ;; :face tab-bar-tab-inactive
               ))
       "Icon for open file."
@@ -327,7 +376,7 @@ See `icon-preference' for the order of type preference."
                :ascent center)
         (emoji "💾")
         (symbol "🖫 ")  ;; 🖪 🖫 🖬 
-        (text "Save "
+        (text "Sav "
               ;; :face tab-bar-tab-inactive
               ))
       "Icon for save."
@@ -340,7 +389,7 @@ See `icon-preference' for the order of type preference."
                :height (1.5 . em)
                :margin ,tab-bar-button-margin
                :ascent center)
-        (text "Save as "
+        (text "SvA "
               ;; :face tab-bar-tab-inactive
               ))
       "Icon for save as."
@@ -357,7 +406,7 @@ See `icon-preference' for the order of type preference."
                :ascent center)
         (emoji "❌")
         (symbol "🗙 ")  ;; 🗙 𐌗
-        (text "Quit "
+        (text "Qit "
               ;; :face tab-bar-tab-inactive
               ))
       "Icon for quit."
@@ -371,7 +420,7 @@ See `icon-preference' for the order of type preference."
                :margin ,tab-bar-button-margin
                :ascent center)
         (symbol "♺ ")  ; ⮔ ♺
-        (text "Prev-buffer "
+        (text "PBf "
               ))
       "Icon for previous buffer."
       :version "29.1"))
@@ -384,7 +433,7 @@ See `icon-preference' for the order of type preference."
                :margin ,tab-bar-button-margin
                :ascent center)
         (symbol "♺ ")  ; ⮔ ♺
-        (text "Next-buffer "
+        (text "NBf "
               ))
       "Icon for next buffer."
       :version "29.1"))
@@ -399,7 +448,7 @@ See `icon-preference' for the order of type preference."
                :margin ,tab-bar-button-margin
                :ascent center)
         (symbol "♺ ")  ; ⮔ ♺
-        (text "Revert "
+        (text "Rev "
               ;; :face tab-bar-tab-inactive
               ))
       "Icon for revert buffer."
@@ -415,7 +464,7 @@ See `icon-preference' for the order of type preference."
                :margin ,tab-bar-button-margin
                :ascent center)
         (symbol "↩ ")
-        (text "Undo "
+        (text "UDo "
               ;; :face tab-bar-tab-inactive
               ))
       "Icon for undo."
@@ -431,7 +480,7 @@ See `icon-preference' for the order of type preference."
                :margin ,tab-bar-button-margin
                :ascent center)
         (symbol "↪ ")
-        (text "Redo "
+        (text "RDo "
               ;; :face tab-bar-tab-inactive
               ))
       "Icon for redo."
@@ -464,7 +513,7 @@ See `icon-preference' for the order of type preference."
                :margin ,tab-bar-button-margin
                :ascent center)
         (symbol "🗐 ")
-        (text "Copy "
+        (text "Cpy "
               ;; :face tab-bar-tab-inactive
               ))
       "Icon for copy region."
@@ -481,7 +530,7 @@ See `icon-preference' for the order of type preference."
                :ascent center)
         (emoji "📋")
         (symbol "🗎 ")
-        (text "Paste "
+        (text "Pst "
               ;; :face tab-bar-tab-inactive
               ))
       "Icon for paste."
@@ -497,7 +546,7 @@ See `icon-preference' for the order of type preference."
                :margin ,tab-bar-button-margin
                :ascent center)
         (symbol "≣ ")
-        (text "Fill "
+        (text "Fil "
               ;; :face tab-bar-tab-inactive
               ))
       "Icon for fill region."
@@ -510,7 +559,7 @@ See `icon-preference' for the order of type preference."
                :height (1.5 . em)
                :margin ,tab-bar-button-margin
                :ascent center)
-        (text "Comment " ))
+        (text "Com " ))
       "Icon for comment region."
       :version "29.1"))
   (setq my-tool-bar-button-comment (icon-string 'my-tool-bar-icon-comment))
@@ -521,7 +570,7 @@ See `icon-preference' for the order of type preference."
                :height (1.5 . em)
                :margin ,tab-bar-button-margin
                :ascent center)
-        (text "(Un)hide " ))
+        (text "Hid " ))
       "Icon for (un)hide elements."
       :version "29.1"))
   (setq my-tool-bar-button-hide (icon-string 'my-tool-bar-icon-hide))
@@ -536,7 +585,7 @@ See `icon-preference' for the order of type preference."
                :ascent center
                )
         (symbol "⎁ ")  ;; ⎀ ⎁ ⎂
-        (text "Spell "
+        (text "Spl "
               ;; :face tab-bar-tab-inactive
               ))
       "Icon for spell."
@@ -552,13 +601,39 @@ See `icon-preference' for the order of type preference."
                :ascent center
                )
         (symbol "ℒ ")
-        (text "langtool "
+        (text "Lng "
               ;; :face tab-bar-tab-inactive
               ))
       "Icon for languagetool."
       :version "29.1"))
   (setq my-tool-bar-button-langtool (icon-string 'my-tool-bar-icon-langtool))
 
+  (unless (iconp 'my-tool-bar-icon-play)
+    (define-icon my-tool-bar-icon-play nil
+      `((image "Fluent-dark/builder-run-start-symbolic.svg"
+               :height (1.5 . em)
+               :margin ,tab-bar-button-margin
+               :ascent center
+               )
+        (text "Run "
+              ))
+      "Icon for run C-c."
+      :version "29.1"))
+  (setq my-tool-bar-button-play (icon-string 'my-tool-bar-icon-play))
+
+  (unless (iconp 'my-tool-bar-icon-read)
+    (define-icon my-tool-bar-icon-read nil
+      `((image "Fluent-dark/ephy-reader-mode-symbolic.svg"
+               :height (1.5 . em)
+               :margin ,tab-bar-button-margin
+               :ascent center
+               )
+        (text "Rdv "
+              ))
+      "Icon for read view."
+      :version "29.1"))
+  (setq my-tool-bar-button-read (icon-string 'my-tool-bar-icon-read))
+
   )
 
 (define-minor-mode my-tool-bar-mode
diff --git a/lisp/my/my.el b/lisp/my/my.el
index 4f15349e..8a9c921d 100644
--- a/lisp/my/my.el
+++ b/lisp/my/my.el
@@ -313,14 +313,32 @@ print it in the message buffer."
   ;; https://emacs.stackexchange.com/questions/7375/can-i-format-cells-in-an-org-mode-table-differently-depending-on-a-formula
   (require 'ov)
 
-  (defun my-org-toggle-emphasis ()
+  (setq my-org-latex-preview nil)
+  (defun my-org-toggle-elements ()
     "Toggle hiding/showing of org emphasize markers."
     (interactive)
+    
     (if org-hide-emphasis-markers
         (set-variable 'org-hide-emphasis-markers nil)
       (set-variable 'org-hide-emphasis-markers t))
-    (org-mode-restart))
-  (define-key org-mode-map (kbd "C-c C-x C-e") 'my-org-toggle-emphasis)
+    (setq org-link-descriptive (not org-link-descriptive))
+    (org-restart-font-lock)
+    
+    (org-toggle-inline-images)
+
+    ;; (org-latex-preview)
+    (if my-org-latex-preview
+        ;; switch off
+        (let ()
+          (set-variable 'my-org-latex-preview nil)
+          (org-latex-preview '(64)))
+      ;; switch on
+      (set-variable 'my-org-latex-preview t)
+      (org-latex-preview '(16)))
+    
+    ;; (org-mode-restart)
+    )
+  (define-key org-mode-map (kbd "C-c C-x C-e") 'my-org-toggle-elements)
 
   (defun my-org-keywords ()
     "Parse the buffer and return a cons list of (key . value)
diff --git a/settings/org-settings.el b/settings/org-settings.el
index 4ec21609..988ff4da 100644
--- a/settings/org-settings.el
+++ b/settings/org-settings.el
@@ -296,7 +296,7 @@ For example in org-mode the link location"
   (setq org-hidden-keywords nil)                   ;; hide keywords like `#+TITLE:` or not, see also `org-appear'
   (setq org-hide-emphasis-markers nil)             ;; hide emphasis marker *_=~/+, see also `org-appear'
   (setq org-startup-folded nil)                    ;; nil = showall = #+STARTUP: showall
-  (setq org-startup-with-inline-images t)          ;; #+STARTUP: inlineimages|noinlineimages, show inline images when loading a new Org file
+  (setq org-startup-with-inline-images nil)        ;; #+STARTUP: inlineimages|noinlineimages, show inline images when loading a new Org file
   (setq org-use-sub-superscripts '{})              ;; braces are *required* in order to trigger interpretations as sub/superscript, see also `org-export-with-sub-superscripts'. C-c C-x \ (`org-toggle-pretty-entities')
   (setq org-pretty-entities nil)                   ;; so much trouble in an article, see also `org-appear' and [C-c C-x \] (`org-toggle-pretty-entities')
   (setq org-pretty-entities-include-sub-superscripts t)  ;; if `org-pretty-entities' is active include also sub-superscripts.