Type without "serif"s (like this).
The two main families of type are serif and sans-serif. Serif typefaces have small decorative lines at the ends of characters, while sans-serif typefaces do not have these embellishments.
San Serif vs Serif fonts (San Serif does not have the lines, Serif does.) Search those two names and you will see examples. A "rule of thumb" is a San Serif font is normally easier for a machine to read but Serif fonts are more comfortable for a person to read.
graphic designers love helvetica. most of the type that is used now is San serif, sans meaning without serif and is also the text type your question is in, this is because it is easier to read although serif looks smarter..
serif
Serif font has structural details on each of the letters. When you look at Times New Roman, you can see that the bottoms of the letters create points. The font on this answer is Sans-Serif, sans means "without", so sans-serif means without serif. The type on this answer is sans-serif because there is no added structure to the letters, all of them are rounded on the ends. You can see the difference in Word.
Usually the serif fonts are divided into 2 categories, slab serif and serif. Clarendon is an example of a slab serif.
Agency is a sans serif font.
Semi-serif fonts are a combination of serif and sans-serif styles, where the font has some serif features but is less pronounced compared to traditional serif fonts. They provide a more modern and clean look while still maintaining some of the elegance associated with serif fonts.
Those are "serif" fonts.
Serif type-faces
serif.