Block letters are a form of writing in which the letters are upright, separated, and usually made without serifs. In English-speaking countries children are first taught to write in block letters (also called printed letters), and later may advance to cursive

Cursive

Cursive, also known as joined-up writing, joint writing, or running writing, is any style of handwriting in which the symbols of the language are written in a simplified and/or flowing manner, generally for the purpose of making writing easier or faster...

 (joined) writing. Other countries (Poland, Italy, etc.) focus on cursive writing from the first grade.

On official forms, one is often asked to write in block capital letters.