^^Albero. Diagramma a scatole.

Si adatta a descrivere composizioni di sistemi.

******    ******
* S1 *    * S2 *
******    ******

**********************
*  ******    ******  *
*  * S1 *    * S2 *  *          S1cS2   {S1;S2}
*  ******    ******  *
**********************

+++++++++++++++++++++++++++++++++++++++++ SISTEMA COMPOSTO
+  ++++++  ++++++  ++++++       ++++++  +
+  + S1 +  + S2 +  + S3 +  ...  + SN +  + SISTEMI  COMPONENTI
+  ++++++  ++++++  ++++++       ++++++  +
+++++++++++++++++++++++++++++++++++++++++

****************************
*  ***************         *                   /\
*  *  S1     S2  *  S3     *    (S1cS2)cS3    /\ \
*  ***************         *
****************************

*****************************
*          ***************  *                  /\
*     S1   *  S2      S3 *  *    S1c(S2cS3)   / /\
*          ***************  *
*****************************

*****************************                 /|\
*     S1      S2      S3    *    S1cS2cS3    / | \
*****************************

lg:

Diagrammi a scatola (mia denominazione)