1 level-1 variable-name .
2+ 
2 level-2 var-1
2.1.0 PICTURE
2.1.0 PIC
2.1.1! IS
2.1.2 picture-string usage-clause .
2.1 floating-point .
2.1 . varchar-string .
2.1 . vargraphic-string .
2.1 lob .
2.1 datetime .
2.1 rowid .
2.1 binary .

floating-point

1? 
1.0! USAGE
1.0.1! IS
1.1 COMPUTATIONAL-1
1.1 COMP-1
1.1 COMPUTATIONAL-2
1.1 COMP-2
2? VALUE
2.1! IS
2.2 constant

usage-clause

1? 
1.0! USAGE
1.0.1! IS
1.1.0 BINARY
1.1.0 COMPUTATIONAL-4
1.1.0 COMP-4
1.1 PACKED-DECIMAL
1.1 COMPUTATIONAL-3
1.1 COMP-3
1.1 COMPUTATIONAL
1.1 COMP
1.1 DISPLAY
1.1 display-clause
1.1 DISPLAY-1
2? VALUE
2.1! IS
2.2 constant

display-clause

1! DISPLAY
2 SIGN
3! IS
4 LEADING SEPARATE
5! CHARACTER