> ## Documentation Index
> Fetch the complete documentation index at: https://vulhunt-docs.binarly.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Glossary of Terms

| Term                                          | Description                                                                                                           |
| --------------------------------------------- | --------------------------------------------------------------------------------------------------------------------- |
| <a name="ba2">BA2 file</a>                    | Binarly Analysis Archive (BA2) is an archive containing a normalised representation of the input files.               |
| <a name="call-site">Call site</a>             | The specific location in code where a function (or method) is invoked.                                                |
| <a name="dataflow-engine">Dataflow Engine</a> | Also called **Taint Engine**, it's the engine triggered by `scope:calls` in a VulHunt rule.                           |
| <a name="pat-file">PAT file</a>               | A file containing FLIRT signature patterns. SIG files are generated based on them.                                    |
| <a name="project">Project</a>                 | In VulHunt clients, a project refers to a single binary, usually within a BA2.                                        |
| <a name="sig-file">SIG file</a>               | A compiled FLIRT signature. VulHunt uses them compressed with [Gzip](https://www.gnu.org/software/gzip/).             |
| <a name="vdb">VDB</a>                         | Vulnerability Database, a service containing information from known vulnerabilities provided to Enterprise customers. |
| <a name="vh">VH file</a>                      | The recommended file extension for a VulHunt rule.                                                                    |
| <a name="vhm">VHM file</a>                    | The recommended file extension for a VulHunt module.                                                                  |