Why Use This Pattern
Tool Tip allows for embedding useful hints of information. Tips are a single word, or sentence fragment that provides guidance, direction, or important information.
What is the Solution
A Tool Tip is a small pop-up window that reveals more information about the user interface element it is referencing. The Tool Tip can be used with or without “i” icon, with brief content; usually using a few specific words.
When to Use This Pattern
Use Tool Tip to explain more about the purpose of an interaction, an icon, control or field.
Do Not Use This Pattern
For providing lengthy instructions as it may be distracting.