This article by Search Engine Land gives you a detailed overview of the new Google Keyword Planner tool.
(image by SearchEngineLand)
As mentioned in their article summary
"The new Keyword Planner tool supports various workflows for building ad groups and campaigns either starting from scratch, or based on your existing lists, and provides more cohesive user experience by integrating the keyword selection, grouping, analysis and filtering aspects of the keyword selection workflow."
Read full article: How to Use The Keyword Planner -- The New Keyword Tool From Google AdWords