| Legend | Object type |
|---|---|
| O | Any object |
| I | Integer number |
| R | Real number |
| # | Binary number |
| Num | Scalar (Integer, Real or Binary number) |
| Z | Complex number |
| U | Unit |
| ∡ | Angle |
| A | Symbolic expression |
| C | Symbolic constant |
| V | Vector |
| M | Matrix |
| S | String |
| 1/0 | Any expression evaluating to True or False |
| G | Grob |
| F | Font |
| D | Binary data container |
| T | Tag object |
| L | List |
| cL | Case list |
| N | Variable name / Identifier |
| Dir | Directory |
| pDir | Packed Directory |
| P | Program |
| Lib | Library |