usecases.md

 # Use cases 
 
 ## Create questionnaire entities
-![Usecases_for_questionnaire_editor-UC_1__Creation_of_new_questionnaires](/uploads/973421f6098c0fc83ca2480185bb4ed8/Usecases_for_questionnaire_editor-UC_1__Creation_of_new_questionnaires.png)
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+![Usecases_for_questionnaire_editor-UC_1__Creation_of_new_questionnaires](/uploads/973421f6098c0fc83ca2480185bb4ed8/Usecases_for_questionnaire_editor-UC_1__Creation_of_new_questionnaires.png)
+
+## Edit questionnaire entities
+![Usecases_for_questionnaire_editor-UC2__Edit_of_existing_entities](/uploads/af3ca93d7752c76290bb87c1655ea5a0/Usecases_for_questionnaire_editor-UC2__Edit_of_existing_entities.png)
+
+## Delete questionnaire entities
+![Usecases_for_questionnaire_editor-UC_3__Delete_any_entity](/uploads/ae3990c8f570cab1dc8eb201af529adb/Usecases_for_questionnaire_editor-UC_3__Delete_any_entity.png)
+
+
+## Export questionnaire
+![Usecases_for_questionnaire_editor-UC_4__Export](/uploads/70d0f37cb7f9a4f881c15b4668d55758/Usecases_for_questionnaire_editor-UC_4__Export.png)