The columns are displayed with a set of icons on the left side of the cell. With these icons, you can quickly see some of the properties of the columns.
All the icons you can see are described in the following table :
|Categorized in ascending order|
|Categorized in descending order|
|Sorted in ascending order|
|Sorted in descending order|
|Contain a Hidden Formula|
|Use its value as a color|
|Display its value as an icon|
Up to 4 different icons can be displayed at the same time.