+----------+        +--------------+        +-------+
     |          |        |              |        |       |
     |  server  | <----> |  connection  | <----> |  gui  |
     |          |        |              |        |       |
     +----------+        +--------------+        +-------+

                                          \
                                           \

                                    +-------------+
                                    |             |
                                    |  something  |
                                    |     else    |
                                    |             |
                                    +-------------+