| A | B |
| Record | A group of related fields |
| Field Name | A label identifying a field |
| Field | One or more characgters that create a piece of information |
| Data Source | A collection of variable information to be used in a merge |
| Merge Field | A placeholder in the main document |
| Match Fields | Command that helps you identify fields from your data source that correspond with the required field. |
| Fill in Rule | Instructs Word to show a message to prompt the user to insert information. |
| MAPI | Messaging Application Programming Interface |
| Switch | A special instruction that modifies a field result. |