Various exemplary metadirectories, systems and/or methods include or allow for executing a software module on an execution engine, emitting semantic information based on the executing, and analyzing the executing using the semantic information. An exemplary execution engine includes an input for receiving software modules, an output for emitting semantic information, and an output for outputting generated output information. Upon execution, an exemplary software module may cause processing of information in a metadirectory and emitting of semantic information pertaining to the processing. Various exemplary metadirectories, systems and/or methods emit and/or store semantic information in a self-defining language, an extensible language, and/or a markup language. Other exemplary metadirectories, systems, and/or methods are also disclosed.