Answer: The phrase "aren’t as obvious on paper" is a common idiom that means that certain advantages or disadvantages of a situation or proposal are not immediately apparent or visible when they are written down or documented. In other words, when something is "on paper," it can be difficult to fully grasp its true nature or potential impact without actually experiencing it or considering other factors. This phrase is often used to suggest that the limitations or drawbacks of a plan or idea become more apparent when they are put into practice, rather than when they are simply written down or described in writing.
Explanation: The phrase "aren't as obvious on paper" means that the improvements to CorelDRAW in version X5 are not immediately evident when simply reading the list of enhancements. They are more effectively experienced and appreciated when using the software itself, as opposed to being described on a list or written down on paper.