+========================+============================+
       | Category               | Description                |
       +========================+============================+
       | unified-communications | Voice, video, messaging    |
       |                        | (Teams, Zoom, Webex)       |
       +------------------------+----------------------------+
       | business-critical      | Core business applications |
       |                        | (ERP, CRM, custom apps)    |
       +------------------------+----------------------------+
       | cloud-services         | SaaS applications (O365,   |
       |                        | Salesforce, Workday)       |
       +------------------------+----------------------------+
       | infrastructure         | Network services (DNS,     |
       |                        | NTP, SNMP)                 |
       +------------------------+----------------------------+
       | security               | Security tools (AV         |
       |                        | updates, SIEM)             |
       +------------------------+----------------------------+
       | file-transfer          | File sharing (SharePoint,  |
       |                        | Box, FTP)                  |
       +------------------------+----------------------------+
       | web-browsing           | General web traffic        |
       +------------------------+----------------------------+
       | streaming-media        | Video/audio streaming      |
       |                        | (YouTube, Spotify)         |
       +------------------------+----------------------------+
       | remote-access          | VPN, RDP, SSH              |
       +------------------------+----------------------------+
       | unknown                | Unclassified traffic       |
       +------------------------+----------------------------+