You can set it to any type face you have installed on your computer.
A chart is the type of object that can be created directly in Excel.
That is not a function of Excel.
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From within Excel, File Menu>Save As>Save As Type>CSV
a graph
The name used in Excel for that data type is Text, but it is like the character data type in other computer systems.
The results of formulas that you type in are outputs in Excel. If you do filters, the results you get are outputs. Charts are an output. If you print anything from Excel, that is an output.
A chart type
Excel has only one type of column -- a vertical stack of cells.
Formula autocomplete
There is no reason why you cannot type that in. As there are letters in it, it will be treated by Excel as text.
A column chart.