Apple Aperture Getting Started - Manual (Page 127)

Chapter 11 Applying Keywords to Images 127
To add keywords to a keyword group:
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 Select the keyword group to which you want to add a keyword.
3 Click the Add Subordinate Keyword button.
4 Type a name for the new keyword, then press Return.
The new keyword appears below the keyword group you selected and is sorted
alphabetically within the group.
You can create new keyword categories, or groups. For example, if you added the
keyword fish to your list, you might want to add angelfish, dolphin, tuna, and shark
under the fish keyword so you can further define your images.
To create a new keyword group with keywords in it:
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, then type a name for the new keyword group.
The new keyword is added to the keyword library and is sorted alphabetically. It
appears already selected (highlighted).
3 Click the Add Subordinate Keyword button, type a name for a keyword you want to
add within that keyword group, then press Return.
The first keyword you added now becomes a keyword group. The keyword you just
added is the first keyword within that group.
4 Repeat step 3 until you’ve added all the keywords you want to the new keyword group.
Click this button to add
a keyword within a
keyword group.
A new, untitled keyword
appears in this list within
the keyword group.