The Smart Tag indicator is a purple triangle in the bottom right corner of the cell letting you know a Smart Tag is available. It indicates that Excel can take certain actions on the data; the action depends on what data is in the cell. You can attach smart tags to dates, financial symbols, names, and many more entries.
red triangle
purple triangle
Purple Triangle :)
smart tagssmart tagSmart tag -.-
Error could not answer try asking again later
cell
It indicates that there is a comment in the cell.
The Mode Indicator, which will show the word "Ready".
The ! symbol. For example: =Sheet1!A1
Smart Tag~
It is on the Insert tab on the Ribbon.
Someone who is not book smart may be described as street smart, intuitive, or resourceful. They may excel in practical problem-solving or have strong social skills.