-extern void AxWin3_SendMessage(tHWND Window, int Length, void *Data);
-extern void AxWin3_SetWindowPos(tHWND Window, int X, int Y, int W, int H);
-extern void AxWin3_SetWindowShown(tHWND Window, int bShow);
+// --- Core window management functions
+extern void AxWin3_SendMessage(tHWND Window, tHWND Dest, int Message, int Length, void *Data);
+extern void AxWin3_SetWindowTitle(tHWND Window, const char *Title);
+extern void AxWin3_FocusWindow(tHWND Window);
+extern void AxWin3_ShowWindow(tHWND Window, int bShow);
+extern void AxWin3_DecorateWindow(tHWND Window, int bDecorate);
+extern void AxWin3_SetWindowPos(tHWND Window, short X, short Y, short W, short H);
+extern void AxWin3_MoveWindow(tHWND Window, short X, short Y);
+extern void AxWin3_ResizeWindow(tHWND Window, short W, short H);