Click this to discard the changes you made. The user dictionary will remain the same as it was when you opened this dialog.
Click this to accept the changes you have made to the user dictionary. This cannot be undone.
This is dimmed because you have not selected exactly one word to edit.
Click this to edit the selected word.
Click this to add a word to the user dictionary.
This is dimmed because you have not selected any words to delete.
Click this to delete the selected words from the user dictionary.
Click this button to save the words in the user dictionary to a text file.
Click this button to import words from a text file into the user dictionary. In the file, each word or word pair should be on a separate line. A word pair (the word and its replacement) should be separated by a tab character.