What font takes up the most space and still looks professional?

If you want to delete an entire word at a time, which key should you press along with the backspace or delete key?

When you type january in a cell, then copy it using the fill handle to the cells below and the data automatically changes to february, march, april, and so on, what is this feature called? auto fill automaticcopy monthfill textfill

is on drugs i swear i ask a question and its not showing whats going