Summarising is lossy. The question is what you lose
A bad summary keeps the topics and throws away the argument: you end up with a list of the nouns a paper mentioned and no idea what it claimed. For revision that is close to useless, because exams ask you to reason, and the reasoning is exactly the part that got compressed out.
Thaxas summarises structurally — what is being claimed, what supports it, what it depends on, and where the document itself hedges. Where the exact wording of a definition matters, it is carried over verbatim rather than paraphrased into something that sounds similar and means something else.
What it handles
- Research papers — the claim, the method, the result, the limitations the authors admit to.
- Textbook chapters, including scanned ones.
- Lecture slide decks, where most of the meaning lives in what the lecturer said around the slide — so pair it with the lecture recorder.
- Recorded lectures, transcribed first, then summarised with timestamps as citations.
- Web pages and articles added to a space by URL.
Then do something with it
A summary is a reading aid, not a study method — you cannot memorise by reading a shorter version of the thing you failed to memorise at full length. Once you have the summary, the useful next moves are to generate a quiz from the source and find out what you actually retained, or to build a deck of the pieces you need cold.