What does the Case button do?

The Case button allows you to change the type of capitalization of your keywords. 

Here are your options: 

Original Case - Revert back to the case structure that all your keywords started with.

UPPER CASE - Change all keywords to upper case. 

Title Case - Every first letter of each word will be capitalized, the rest will be lower case.

Sentence case - The first letter of the first word will be capitalized, the rest will be lower case.

lower case - All letters will be changed to lower case.