Clearly Provide me a concise solution with respect to this statement.

The table of financial information below provides diluted earnings per share and adjusted diluted earnings per share. Explain to me what these terms mean, and how they are different from each other, and also help me understand the third type of earnings per share information that must be reported. Tell me about that one too, and how it is different from the others

In millions, except per share amounts Total service revenue Total revenue Operating income Diluted earnings per share Adjusted diluted earnings per share(1) For the three months ended February 28, 2022 2021 $1,261.6 $1,096.6 $1,276.0 $1,111.7 $ 562.8 $ 468.6 1.19 $ 0.97 Change (2) 15 % 15 % 20 % 23 % For the nine months ended February 28, 2022 2021 $3,424.4 $2,982.8 $ 3,467.4 $3,027.6 $ 1,446.0 $ 1,106.9 $ 3.02 $ 2.31 Change (2) 15 % 15% 31 % 31 % 1.15 $ 0.96 20 % $ 2.95 $ 2.32 27 % (1) Adjusted diluted earnings per share is not a United States ("U.S.") generally accepted accounting principle ("GAAP") measure. Please refer to the "Non-GAAP Financial Measures" section on page 4 of this press release for a discussion of non-GAAP measures. (2) Percentage changes are calculated based on unrounded numbers. Martin Mucci, Chairman and Chief Executive Officer, commented, "Our strong results for the third quarter, including double-digit growth in both revenue and earnings are a result of progress against key initiatives. We had a strong calendar year end and selling season, delivering a record quarter for new sales revenue and maintaining high levels of client retention. Our value proposition continues to resonate in the market with our unique blend of innovative Paychex Flex technology and breadth of solutions to help small and mid-sized businesses." Mucci added, "While the impacts of COVID-19 are abating, businesses are still operating in a very complex and volatile environment. Focus is shifting from operational and financial survival during the height of the pandemic back to an employee-centric focus, with attracting and retaining talent, remote work, and workplace safety being top areas of concern. Now more than ever businesses need trusted partners, like Paychex, to provide them the right human resource ("HR") technology solutions as well as help them navigate the complex HR