The following is a sample PC description file with commentary:
| File entry | Comment | 
|---|---|
| PCFDF | PC description file | 
| PCFT 9 | PC file in BIFF format | 
| PCFO 7,6,10,7,* Option Settings | Host default date and time formats | 
| PCFL BINARY 9 7/2 | The first field, BINARY, is double-precision floating point and 7 characters in length, precise to 2 decimal places. | 
| PCFL CHAR 1 10 | The second field, CHAR, is an ASCII field and has a length of 10 characters. | 
| PCFL ZONED 9 8/4 | (The other fields in the database are interpreted as above.) | 
| PCFL PACKED 9 11/2 | |
| PCFL HEX 3 10 | |
| PCFL DATE 1 8 | |
| PCFL TIME 1 8 |