Style of type font (4,5)
I believe the answer is:
sans serif
(Other definitions for sans serif that I've seen before include "Style of font" , "Style of typeface" , "plain type of face" , "Plain typeface" , "Plain style of type" .)
I believe the answer is:
sans serif
(Other definitions for sans serif that I've seen before include "Style of font" , "Style of typeface" , "plain type of face" , "Plain typeface" , "Plain style of type" .)