Archival Silence: n. The unintentional or purposeful absence or distortion of documentation of enduring value, resulting in gaps and inabilities to represent the past accurately.
"Archival Silence," Dictionary of Archives Terminology, Society of American Archivists, accessed September 17, 2021, https://dictionary.archivists.org/entry/archival-silence.html.
"As part of the analysis of available resources, [a person knowledgeable in the use of primary sources can] identify, interrogate, and consider the reasons for silences, gaps, contradictions, or evidence of power relationships in the documentary record and how they impact the research process."
"Guidelines for Primary Source Literacy," SAA-ACRL/RBMS Joint Task Force on Primary Source Literacy, approved June 2018, https://www2.archivists.org/standards/guidelines-for-primary-source-literacy.