It was saying "rephrasing, synthesizing and summarising your source material", which is very different than just sentence manipulation. In order to synthesize a

It was saying "rephrasing, synthesizing and summarising your source material", which is very different than just sentence manipulation. In order to synthesize and summarize you need to understand the material. To use a coding equivalent, to refactor code you have to understand it. Refactoring is not the same as rearranging some functions and moving some arguments around.