Answer:
You can use it as a way to record synonyms of words you encounter in text.
Step-by-step explanation:
While reading a textbook, one may a certain word difficult to spell or to understand. In order to address this issue, it is possible to create a personal spelling list and include the words that represent a problem; one may look up a difficult word on the list once encountered during a reading and afterwards make use of a synonym with an easier spelling to avoid trouble.