diff --git a/src/MainWindow.hpp b/src/MainWindow.hpp
index 5204220..4bb96dd 100644
--- a/src/MainWindow.hpp
+++ b/src/MainWindow.hpp
@@ -32,6 +32,7 @@ class MainWindow : public MainFrame {
   void OnPageChange(wxAuiNotebookEvent &event);
   void OnRefreshTabTitle(wxCommandEvent &event);
   void OpenSettings();
+  /// @brief Setting up a new chess engine (select executable and open engine tab)
   void NewEngine();
   void OnCloseTabEvent(wxCommandEvent &event);
   void OnRefreshEngineList(wxCommandEvent &event);
@@ -44,5 +45,6 @@ class MainWindow : public MainFrame {
 public:
   MainWindow();
   TabInfos* NewGame(std::shared_ptr<Game> game);
+  /// @brief Apply preferences to MainWindow and all the opened tabs
   void ApplyPreferences();
 };
\ No newline at end of file
diff --git a/src/base_tab/BaseGameTab.hpp b/src/base_tab/BaseGameTab.hpp
index 0abcffa..f09a269 100644
--- a/src/base_tab/BaseGameTab.hpp
+++ b/src/base_tab/BaseGameTab.hpp
@@ -11,7 +11,8 @@
  */
 class BaseGameTab : public TabBase_TabGames {
   std::shared_ptr<GameBase> base;
-
+  void OnDelete(wxCommandEvent &event);
+  void OnApplyFilter(wxCommandEvent &event);
 
 public:
   std::shared_ptr<GameListManager> glm;
@@ -23,8 +24,6 @@ public:
   BaseGameTab(wxFrame *parent, std::shared_ptr<GameBase> base);
 
   void Reset(std::shared_ptr<GameBase> base);
-  void OnDelete(wxCommandEvent &event);
-  void OnApplyFilter(wxCommandEvent &event);
   std::vector<std::shared_ptr<Game>> GetEditedGames();
   std::vector<std::uint32_t> GetDeletedGameIds() {return(deleted);};
   std::shared_ptr<Game> OpenGame(long gameid, long item);
diff --git a/src/base_tab/BaseImportTab.hpp b/src/base_tab/BaseImportTab.hpp
index 10342bd..24bda24 100644
--- a/src/base_tab/BaseImportTab.hpp
+++ b/src/base_tab/BaseImportTab.hpp
@@ -24,14 +24,15 @@ class BaseImportTab : public TabBase_TabImport {
   std::shared_ptr<GameBase> selected_base;
 
   void RefreshPendingImports();
+  void OnLoad(wxCommandEvent &event);
+  void OnImportGame(wxCommandEvent &event);
+  void OnImportSelection(wxCommandEvent &event);
+  void OnImportDatabase(wxCommandEvent &event);
+  
 public:
     int import_ndb, import_ngames,import_nselect;
     BaseImportTab(wxFrame *parent,  std::shared_ptr<GameBase> db, TabInfos *main_tab);
     void RefreshImportLists();
-    void OnLoad(wxCommandEvent &event);
-    void OnImportGame(wxCommandEvent &event);
-    void OnImportSelection(wxCommandEvent &event);
-    void OnImportDatabase(wxCommandEvent &event);
     void Reset(std::shared_ptr<GameBase> base);
     std::vector<std::shared_ptr<Game>> GetGameToImport();
     std::vector<std::string> GetDatabaseToImport() {return databases_to_import;};
diff --git a/src/base_tab/gamebase/GameBase.hpp b/src/base_tab/gamebase/GameBase.hpp
index b2c1488..8e02fd1 100644
--- a/src/base_tab/gamebase/GameBase.hpp
+++ b/src/base_tab/gamebase/GameBase.hpp
@@ -48,4 +48,10 @@ std::shared_ptr<GameBase> OpenDatabase(const std::string &dbpath, bool createIfN
  * @return std::shared_ptr<Game> 
  */
 std::shared_ptr<Game> OpenGameX(const std::string &dbpath, long id);
+/**
+ * @brief Save a given game in a database file (append to existing games in the db)
+ * 
+ * @param dbpath path of the dadabase
+ * @param g shared pointer to a game
+ */
 void SaveGame(const std::string &dbpath, std::shared_ptr<Game> g);
\ No newline at end of file
diff --git a/src/engine_tab/EngineTab.hpp b/src/engine_tab/EngineTab.hpp
index 1858a49..ecbc25d 100644
--- a/src/engine_tab/EngineTab.hpp
+++ b/src/engine_tab/EngineTab.hpp
@@ -17,6 +17,9 @@ class EngineTab : public TabEngine, public TabInfos {
   void InitConfiguration();
   void LoadConfiguration();
   void RefreshItemList();
+  void OnSave(wxCommandEvent &event);
+  void OnDelete(wxCommandEvent &event);
+
 public:
   EngineTab(wxWindow *parent, uciadapter::UCI *engine,
             std::string engine_path);
@@ -26,6 +29,4 @@ public:
   std::shared_ptr<Game> GetGame() { return nullptr; }
   std::shared_ptr<GameBase> GetBase() { return nullptr; }
   std::uint32_t GetEngineId() { return engine_id; };
-  void OnSave(wxCommandEvent &event);
-  void OnDelete(wxCommandEvent &event);
 };
\ No newline at end of file
diff --git a/src/game_tab/GameTab.hpp b/src/game_tab/GameTab.hpp
index 28e9d27..5e7149f 100644
--- a/src/game_tab/GameTab.hpp
+++ b/src/game_tab/GameTab.hpp
@@ -28,12 +28,12 @@ class GameTab : public wxPanel, public TabInfos {
   void RefreshLabel();
   void RefreshTabTitle();
   void OnGameChange(wxCommandEvent &event);
+  void OnToolClick(wxCommandEvent &event);
 
 public:
   GameTab(wxFrame *parent, std::shared_ptr<Game> game);
   void ApplyPreferences();
   std::shared_ptr<Game> GetGame() { return (std::shared_ptr<Game>(game)); }
   std::shared_ptr<GameBase> GetBase() { return nullptr; };
-  void OnToolClick(wxCommandEvent &event);
   void OnLink(){board_panel->SetSaveToolEnable(false);};
 };