1. Painting with a Brush in Quick Mask Mode
Brandi

2. About It is easier and cleaner to outline and isolate an object.
Masked Areas: means that you are painting out the areas that you do not want to keep.
Selected Areas: this means that you are painting the areas that you want to keep.
Is the best way to make a selection.
You can use this when you want to select a specific part of an image.

3. Advantages Options Can take your time.
Can be saved and opened back to the same spot.
Easy to correct mistakes.
Options
The selected areas can be retouched, colors changed, tinted, & cropped.
Different color shading shows what you have selected.

4. Questions What is Quick Mask? Why is this good choice to crop?
An easy way to isolate part of an image.
Why is this good choice to crop?
Easy to select and manipulate the part of the image.