Basic Typography Terminology

Below are some basic definitions to help you understand how type is described and measured.

Content
  1. headphones
  2. Font style
  3. Family type
  4. serif font
  5. Sans serif fonts
  6. point
  7. pica
  8. base
  9. X-height
  10. Tracking, kerning and formatting
  11. leading
  12. sources:

headphones

A font refers to a group of characters such as letters, numbers, and punctuation that share a common design or style. Times New Roman, Arial, Helvetica, and Courier are fonts.

Font style

Fonts refer to the way fonts are displayed or presented. Helvetica in movable letter is a font just like a TrueType font file.

Family type

The different options available in a font make up the font family. Many fonts are available at least in roman, bold, and italics. Other families are much larger such as Helvetica Neue, which comes in Condensed Bold, Condensed Black, Ultra Light, Ultra Light Italic, Light, Light Italic, Regular, etc. D.

serif font

Serif fonts are identified by the small lines at the ends of the different strokes. Because these lines make the font easier to read by guiding the eye from letter to letter and word to word, serif fonts are often used for large blocks of text, such as in a book. Times New Roman is an example of a commonly used serif font.

Sans serif fonts

Serifs are small lines at the end of drawing strokes. Sans serif or sans-serif refers to fonts without these lines. Sans-serif fonts are often used when a large font is needed, such as in a magazine title. Helvetica is a popular sans serif font. Sans serif fonts are also common for website text, as they are easier to read on the screen. Arial is a sans serif font designed specifically for screen use.

point

The point is used to measure the font size. One dot is equal to 1/72 inch. When a character is named 12pt, it describes the full height of the text block (such as a movable block type), not just the character itself. This allows two fonts with the same point size to appear at different sizes, depending on the position of the character in the block and the volume of the block filling the character.

pica

The pica is often used to measure lines of text. One pica equals 12 points and six pica equals one inch.

base

The baseline is the invisible line on which the characters sit. While the baseline may vary from font to font, it is consistent within the font. Rounded letters like “e” will be slightly below the baseline.

X-height

The x-height is the distance between the centerline and the baseline. This is called x-height because it is the height of the lowercase letter “x”. This height can vary greatly between fonts.

Tracking, kerning and formatting

Character spacing is determined by tracking, kerning, and letter space. Tracking has been modified to evenly vary the spacing between characters in a block of text. This can improve the readability of an entire article in a magazine. Kerning is to reduce the space between characters while letter spacing is to add space between characters. These smaller, finer tweaks can be used to tweak a particular word, such as in a logo design or a large headline in a newspaper article. All settings can be tried out to create artistic text effects.

leading

Leading refers to the spacing between lines of text. This distance, measured in points, is measured from one baseline to the next. A block of text can be referred to as 12pt with 6 extra line spacing, also known as 12/18. This means there is a 12pt type (12 points plus 6 extra lead points) for 18 points total height.

sources:

Gavin Ambrose, Paul Harris. “Foundations of Typography”. AVA Publishing SA 2006.

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