DATA : gv_matnr TYPE matnr. => je repère 'gv_matnr'

TYPES : BEGIN OF ty_struc,
zone1 TYPE kunnr,
zone2 TYPE char20,
END OF ty_struc. => je repère 'ty_struc', 'zone1', 'zone2'.

FORM f_routine TABLES ut_tab
USING uv_var.

DATA : lv_buf(10) TYPE c,
k TYPE i.
[...]
ENDFORM.