The history displays all activity for a translation memory or terminology database including each instance of an import. To access this information, click on History when viewing the resource details.
Each import will be displayed in a list format, which shows the date and time of the import, the resource label, and the number of segments. If you want to see what was included in the import, click on View Contents for the appropriate import instance in the list.
The contents will be displayed in the Translation Editor, as shown below. Here you can add terms, check translations, and even correct errors by using find/replace.
You may also click on the Down Arrow next to View Contents to remove contents from the import.