WAN: Indicates support for Wide Area Network connectivity.
APP+: Suggests advanced application visibility and control features.
C1: Likely refers to a specific hardware or software configuration tier or version within the SRX series. Further detail needed for precise meaning.
3Y: Denotes a 3-year support or subscription period.
GOV: Implies that this product configuration is suitable for or targeted at government deployments, potentially including specific security or compliance features.