The Clear button lets you either clear the value, or just clear cell formatting.
E. Sparklines are more simplistic graphs that can fit in as little as one cell. You can place them next to data for a small, quick visual representation.
C. These tools are for inserting elements from other Microsoft products, like Bing Maps, pre_built information cards about People (from Microsoft accounts only), and add_ins from their store.
A. Basic App Functions: From left to right along this top green banner youll find icons to: reopen the Create a Workbook page; save your work; undo the last action performed and display which actions were recorded; redo a step thats been undone; select which tools appear below.