| Term | Meaning | Usefulness | |------|---------|-------------| | | A close approximation of the original MQL source code—human-readable and potentially editable. | Highly useful for modification and learning. | | Disassembled | Assembly language representation of the native computer code. Not MQL4, extremely difficult to work with. | Virtually useless for most traders. | | Cracked | Licensing protection bypassed; the EX4 still runs without authorization, but no source code is recovered. | Allows use of software without source access. |