Simple symbols consist of one character
| Symbol | Meaning |
| + | addition operator |
| % | attribute indicator |
| ' | character string delimiter |
| . | component selector |
| / | division operator |
| ( | expression or list delimiter |
| ) | expression or list delimiter |
| : | host variable indicator |
| , | item separator |
| * | multiplication operator |
| " | quoted identifier delimiter |
| = | relational operator |
| < | relational operator |
| > | relational operator |
| @ | remote access indicator |
| ; | statement terminator |
| - | subtraction/negation operator |
Compound symbols consist of two characters. the following list shows
Compound symbols delimiters
| := | assignment operator |
| => | association operator |
| || | concatenation operator |
| ** | exponentiation operator |
| '<<' | label delimiter(Begin) |
| '>>' | label delimiter(End) |
| /* | multi-line comment delimiter (Begin) |
| */ | multi-line comment delimiter (end) |
| . . | range operator |
| <> | relational operator |
| != | relational operator |
| ~= | relational operator |
| ^= | relational operator |
| <= | relational operator |
| >= | relational operator |
| -- | single-line comment indicator |
