“Display font” is an informal concept that refers to fonts regarded as suitable (or even designed) for use in “display texts” as opposite to normal copy text that typically appears in paragraphs. Headings, headlines, logos, short slogans or quotes rendered as separate blocks, and texts in signs and plates can be regardes as “display texts”.How do you adjust screen font size?
Change Font Settings Navigate to Apps > Settings. Touch Search, and then search for and select Screen zoom and font under DISPLAY. To adjust the display SCREEN ZOOM and/or FONT SIZE, touch and drag the slider to the left or right. A preview of the screen zoom and font size will appear at the top of the screen.