Option Code Help

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Hello all. Im new to the site but am a proud owner of a 1968 C10 Shortbed Fleetside I bought about a year ago. 2 owner AZ truck. Its a work in progress but I drive it on a regular basis. My question is about the option codes. I still have the original sheet in the glovebox that list options and a brief description. I was looking for a little more in depth explanation of the codes. Ex "side PT stripe" means a side stripe but what is the PT? short for paint? Idk? Thanks for the help. Ive attached a picture of the sheet.