Preferred label

Top edge                

Alternative label

Scope note

The substrate edge that has been designated as uppermost. Top edge is a relative term based on manifestation. The top edge may move as a letterpacket is opened or closed, and an open substrate may have multiple designated top edges, depending on text placement and folding sequence.        

Parent concept

Edge (component boundary)        

uh-linked-data/concept/119        

Related concept         

Edge (substrate boundary)        

uh-linked-data/concept/122

The Arts & Architecture ThesaurusⓇ Online, The Getty Research Institute. Concept uri

Not in AAT

The Language of Bindings Thesaurus (LoB) Concept uri

Not in LoB

Scope note source reference

Source

Jana Dambrogio, Daniel Starza Smith, and the Unlocking History Research Group. Letterlocking, The Hidden History of the Letter. Cambridge and London: MIT Press, 2025.

Unlocking History Concept uri

uh-linked-data/concept/549