A shorthand notation for incrementing a variable is ____.

Match the following terms to their meanings:

I. Notes II. Non-hierarchal approach III. Bookmarklet IV. Hierarchal structure V. Tags A. Used for commenting B. Used for classifying C. Traditional approach to organizing files D. Used when the physical storage location is not known E. A link that is added to the web browser's favorites toolbar

Explain the purpose of a mask and how to create a mask.

What will be an ideal response?