diff --git a/knowledgeBase.md b/knowledgeBase.md
index 0b8347d..e1736e8 100644
--- a/knowledgeBase.md
+++ b/knowledgeBase.md
@@ -567,4 +567,38 @@ sys     0m0.851s
 ```
 
 
-Keep nfo files?
\ No newline at end of file
+Keep nfo files?
+
+
+# Program flow
+
+videos -> scan_folder
+scan_folder 
+ videos 
+  ├ scan_video
+  ├ search_external_subtitles
+  └  refine
+ ignored_videos -> None
+ error_paths -> not exists or directory but error while scan_videos
+ 
+scan_folder-videos-scan_video =
+ raise error -> not exists or not VIDEO_EXT
+ video -> Video.fromguess
+
+Video
+ -> fromguess
+  * Raise ValueError not episode or movie
+  
+Can I raise an error for everything that is not sufficient to move. Then return the errors with the videos. This catches the same number as video.sufficient, pickforgirlscouts.
+
+
+Tweet argument for correction
+
+How are the insufficient supposed to be handled?
+* Return with videos to main and 
+
+
+
+Should not create dependencies in the code by have an exception doing something very specific to install and external data by checking if a guess can be resolved from checking earlier matches. I would be more nimble and modular approach to have our errors send back and returned and have a separate excution path which has the database element for checking eariler matches. Now the dependencies are segmented more in two different files, increasing upgradability. 
+Another note would be to not have rearly and error-prone calls happend deep in a execution path but have it separated so handling the errors for it can be high level and not have others functions error handling take over or missrepersent the original error.
+