This can be improving your jogging speed while you work out, getting more emails done in a certain time period or improving on your elevator pitch. (entrepreneur.com)
And with indie publishing stores reporting in so many different ways, it takes some work to see how many books in a certain time period a book actually sold. (deanwesleysmith.com)
It will frame a campaign in a certain time period for you, and then you must unite the country in the way you see fit. (psnstores.com)