underline

verb
1
to draw or print a line under a word, sentence, etc.
زیر خط کشیدن, خط کشیدن زیر کلمه, زیرخط کشیدن
2
to emphasize or show that something is important or true
تأکید کردن, برجسته کردن
The report underlines the importance of pre-school education.
Her question underlined how little she understood him.
The report underlined that the project enjoyed considerable support in both countries.
It should be underlined that these are only preliminary findings.