Definition:
Total Shareholder Return (TSR) factors in capital gains and dividends when measuring the total return generated by a stock to an investor. TSR is the internal rate of return (IRR) of all cash flows to an investor during the holding period of an investment. Whichever way it is calculated, TSR means the same thing: the total amount returned to investors.
Further Reading:
Book: Playing to Win by A G Lafley and Rogel L. Martin