These values represent the maximum length the value can be for a given field.
Values you can change in the Maximum option of the configuration menu
1. First Name
2. Last Name
3. Date of Birth
4. E-mail Address
5. Street Address
6. Company
7. Post Code
8. City
9. State
10.Telephone Number
11.Password
12.Credit Card Owner Name
13.Credit Card Number
14.Review Text
15.Best Sellers
16.Also Purchased

How To Change A Value
1. Click on the name of the field you wish to edit. It will change colors letting you know its selected.
2. Click on the "Edit" button on the right side (see Figure-1)
3. Make your changes
4. Click on the "Update" button to save your changes (see Figure-2)

Figure-1 Click to enlarge

Figure-2 Click to enlarge