Use-cases-variables-and-datasetfiles.md

 ## Terminology: 
-* **temporary storage**: a DDIFlatDB for importing of dataset files only
-* internal central storage: DDIFlatDB, containing study, questionnaire and variable information in DDI
-* external central storage: All published and versioned information's like the DBK/ExploreData currently provides
+* **temporary storage**: 
+  - a DDIFlatDB for importing of dataset files only
+  - everybody can access his/her uploaded files and variables
+
+* **internal central storage**: 
+  - DDIFlatDB, containing study, questionnaire and variable information in DDI
+  - The central within GESIS storage of all metadata wrt studies
+  - Only persons with access rights to the study or studygroup can access 
+
+* **external central storage**: All published and versioned information's like the DBK/ExploreData currently provides
 
 * dataset file: The actual stata or SPSS file
 * variables: from the imported dataset file read variables