Structure declaration in sap abap with example program

REPORT demo_structure.

TYPES: BEGIN OF name,
         title(5)       TYPE c,
         first_name(10) TYPE c,
         last_name(10)  TYPE c,
       END OF name.                            

TYPES: BEGIN OF mylist,
         client         TYPE name,
         number         TYPE i,
       END OF mylist.

DATA list TYPE mylist.

list-client-title = 'Lord'.
list-client-first_name = 'Howard'.
list-client-last_name = 'Mac Duff'.
list-number = 1.

WRITE list-client-title.
WRITE list-client-first_name.
WRITE list-client-last_name.
WRITE / 'Number'.
WRITE list-number.