Which typeface with a commercial licence should you use?
You use a typeface whose licence covers print and screen, and the receipt is kept with the file. A family is not downloaded from a specimen site for the sign and the menu.
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Say whether the type will go to print, to vinyl and to social, because not every licence covers all three. The menu comes out in a typeface the shop replaces and the name is no longer the one on the sign. The file with the type embedded and a note of the licence that does cover those uses.