For example, if you never specify any adjustment settings for the brush category, the default settings apply to the brush category.

例如，如果您从来没有为笔刷分类指定任何调整设定，那麽预设的设定便会套用至笔刷分类。

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User-defined Touch Strips, conveniently placed on the back of the display can also be used for such functions as zoom, scroll, brush size adjustment and canvas rotation.

ENGADGET: Wacom outfits the Cintiq 22HD with multi-touch, bumps the price to $2,499

For more information, check out this in-depth tutorial by Adobe evangelist Julieanne Kost on graduated filters and adjustment brush.

FORBES: Lightroom 101: Using Graduated Filters for Different Types of Lighting