Apple Aperture 2 - Manual (Page 254)

254 Part II Photo Editing
 Type the keyword you’re looking for in the Keywords HUD search field.
The keyword list updates to reveal all instances of the keyword you entered.
Adding Keywords to the Keywords HUD
You can add new keywords to the keyword library of the Keywords HUD.
To add new keywords to the keyword library:
1 To show the Keywords HUD, do one of the following:
 Choose Window > Show Keywords HUD (or press Shift-H).
 Click the Keywords HUD button in the toolbar.
The Keywords HUD appears.
2 Click the Add Keyword button.
Enter a keyword in
the search field.
A new, untitled
keyword appears in
the keyword list.
Click this button to
add a new keyword.