This is the 11822nd most frequent Russian word.
заметки
Notes.
In this sentence, 'заметки' refers to written notes taken for academic purposes during a lecture or related activity.
Я написал заметки о теме лекции.
I wrote notes about the lecture topic.
Here, 'заметки' indicates entries or annotations made to describe or document personal experiences or events, such as a travel journal.
Эти заметки рассказывают о её путешествии.
These notes talk about her journey.
In this example, 'заметки' is used to represent physical pieces of paper or files containing information, hinting at organizational aspects.