서체가 · 서체를
typeface, font; calligraphic style
Example
발표 자료에는 읽기 쉬운 서체를 쓰는 게 좋아요.
It's best to use an easy-to-read font in presentation slides.
Word parts
서 writing+체 style
Literally 'writing style'; covers both brush styles and computer fonts.
Good to know
For a person's own handwriting, use 필체 or 글씨체; 서체 leans toward designed styles and fonts.