Important items in the screen design.
- Screen headers
- Unnamed field with initial value for every named field and headers
- Named fields for every data that is going to be communicated between terminal and program .
- Unprotected fields to allow terminal user to enter data.
- Stopper field to stop end user beyond the maximum size of the field .
- ASKIP for every protected field
- Error message in the bottom of the screen .
- Function keys and its descriptions in the end.
- Most of the applications number and amount fields are alphanumeric in the screen design where as these are converted into numeric in the application program.
- Static cursor positioning with IC for one field
- FSET for the mandatory fields
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