microcopy

micro- +‎ copy

microcopy (countable and uncountable, plural microcopies)

1. (countable) A photocopy that is greatly reduced in size.
2. (uncountable, marketing) Very short copy.
   • 2013, Smashing Magazine, Designing Better UX:

     If your microcopy isn't getting the job done, you'll lose users—and all the marketing in the world might not get you a second chance.

microcopy (third-person singular simple present microcopies, present participle microcopying, simple past and past participle microcopied)

1. (transitive) To copy (a document) at a greatly reduced size.