formatrule

noun
UK /ˈfɔː.mæt.ruːl/
US /ˈfɔːr.mæt.ruːl/

A formatrule is a rule that tells you how something should look or be arranged.

The teacher gave us a formatrule for writing our names at the top of the page.


OTHER MEANINGS

2. A setting in a computer program that controls how text or data is displayed.

I changed the formatrule so all the dates show up the same way.

3. A standard that everyone must follow when making a document or file.

Our team has a formatrule that every report starts with a title page.

4. A rule about the shape or order of information in a form.

The formatrule says phone numbers must include the area code.