Revenue is what you sold.
Take away the cost of what you sold to get gross profit.
Take away your running costs (rent, salaries, data) to get operating profit.
Three lines tell you most of the story.

Revenue is what you sold.
Take away the cost of what you sold to get gross profit.
Take away your running costs (rent, salaries, data) to get operating profit.
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Who you're for, what you say, where you say it and how you'll know it worked.