[solved] The term "triple bottom line" refers to

the three most frequently used measures of profitability--gross profit, operating profit, and net profit.

the three outcomes that underlie good corporate citizenship: conducting business according to high ethical standards, demonstration of an exemplary environmental sustainability strategy, and significant ongoing contributions to the better of society as a whole.

the three performance measures that a company considers to be most important.

the three types of bottom line results society should rightfully expect of all businesses: delivering value to shareholders, delivering value to customers, and delivering value to society as a whole.

the practice among some companies to measure their performance in the social responsibility arena by setting formal performance targets in three areas: "profit, people, and planet"--this set of performance targets is often referred to as the company's "triple bottom line" or TBL.