In America, they are simple letters that children are taught to write in first grade. They have no serifs and are upright. The name presumably comes from their appearance on wooden blocks that children play with, although these often use conventional roman typeforms. Deriving from this usage, “block letters” any crude Serif or Sans-serif font that is formed by cutting a material such as Wood or Metal without the finer-artistry sophistication usually associated with professional Type Design in Typography .
On official forms, when one is asked to write one's name, the request is usually made to write entirely in Capital Letters (block letters). This is because cursive handwriting, and especially signatures, can be hard to read.
A style of Business Letter format in which the text is fully right-aligned and contains double-spacing between Paragraph s instead of having Indentation s.