partly just logical thinking. image > timage, bank > tbank, gadget (gui) > tgadget, sound > tsound, event > tevent, timer > ttimer, etc. Many of those sorta commands were already present in the older Blitzes, so this is just legacy knowledge.. :P
But afaik this is mentioned in the manual at the relevant sections.. (can't check atm)
But afaik this is mentioned in the manual at the relevant sections.. (can't check atm)