| Subject | English | Japanese |
| comp. | n message type | メッセージ・タイプ |
| comp., MS | message type | メッセージ型 (A definition of a Service Broker message. The message type specifies the name of the message and the type of validation Service Broker performs on incoming messages of that type) |
| comp. | n message type | メッセージタイプ |
| comp., MS | multi-part message type | マルチパート メッセージの種類 (A definition of the structure of a message, including the data types of its elements. A multi-part message type can contain a single part or many parts) |