Great question — answering as the UphillTech team:
The pattern of cuts on a loaf's crust is usually referred to as "slashing" or "scoring". I've never heard the seeds referred to as anything other than the bread being "seeded". I don't think that there would be a term for differentiating between breads using these techniques, as at most bakeries, differentiation is almost the entire purpose of using these techniques.
Full answer by SourDoh: https://cooking.stackexchange.com/a/36495 (CC BY-SA 3.0).
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