| var | variable of any type |
| n | floating point number/variable (float) |
| n% | integer number/variable |
| x$ | string (text in double quotes, max. lenght 255) / string variable |
| c$ | single character (string, len=1) |
| log | logical, 0..FALSE, -1..TRUE (any non-zero also means TRUE) |
| Note: if you use integer variables for logical results, be sure only to use -1 for TRUE (see NOT for explanation) | |
| handle | logical file name, A|B|C|D |
| dev | device: A...main memory, B...pack in upper slot, C...pack in lower slot |
| name | up to 8 characters or numbers (incl. $|%, if applicable), first one must be a character |
| file$ | "dev:name" |
| field | "handle.name[%|$]" |
| exp | any expression |
| lexp | logical expression |
| <command> | a single command |
| <commandlist> | one or more line(s) of commands |
| any other | self-explanatory |