The following table describes the messaging terminology used for notifying events in XCO system.
| Abbreviation | Expansion | 
|---|---|
| SLX Messages | SLX log messages, specifically, RASLog and AuditLog messages. | 
| RASLog Messages | RASLog - Reliability, Availability and Serviceability (RAS) log messages. | 
| AuditLog Messages | Event auditing messages to support post-event
                            audits and problem determination. It is based on high-frequency events
                            of certain types, such as security violations, firmware downloads, and
                                configuration. Event auditing is broken down into the following three types: 
  | 
                    
| Configuration | Audit all configuration changes. A subtype of AUDIT. | 
| Firmware | Audit the events that occur during the firmware download process. A subtype of AUDIT. | 
| Security | Audit any user-initiated security event for all management interfaces. A subtype of AUDIT. | 
| Severity | 
                             Message severity type and order (from most important to least): 
  |