This is the 8648th most frequent Russian word.
отмечено
Marked; noted.
In this sentence, 'отмечено' is used as a passive participle to indicate something that has been marked or indicated.
На карте отмечено место нахождения сокровища.
The location of the treasure is marked on the map.
Here, 'отмечено' expresses the action of noting or highlighting something specific.
Это было особенно отмечено в отчёте начальника.
This was particularly noted in the manager's report.
In this context, 'отмечено' conveys reporting or stating a certain observation.