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Identify which area the columns belong to through colors.
It allows identifying groups of columns belonging to different teams, departments or stages of a process.
By right clicking on a column, in the edition, there will be a colored icon. There, you could choose the color of the column (using the same shape and colors used in Single Select.
When selecting the color, it will display a subtle, minimalist and thin line of color above the column name. (See capture)
All the people that:
1) Manage more than one process in the same AirTable table
2) Work on shared tables with other people.
3) Different departments interact in the same table ("Collections" and "Accounting")
4) Anyone who wants to identify columns of: debit, credit, balance.
Etc etc etc