You might want to invest in a book about Lion. You can find several choices at this Amazon search page but David Pogue's Lion update (available Oct. 31) would be a good bet. I have bought virtually all his previous Missing Manual books and have been very pleased.
Jon
macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P600, Photoshop CC, Lightroom CC, MS Office 365
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