@file_pinax -> documents -> @test_collection:document {title: "Test Collection", type: "Collection", created: @date_2023, language: "en", description: "A collection of Substack posts, datasets, and system files including tutorials, promotional content, historical religious topics, and metadata for digital archives.", access_url: "PLACEHOLDER"}

@test_collection -> created by -> @test:organization {role: "creator/institution"}

@test -> type -> "placeholder organization"

@test_collection -> has subject -> @substack:organization
@test_collection -> has subject -> @substack_editor_tutorial:concept
@test_collection -> has subject -> @promotion:concept
@test_collection -> has subject -> @religion:concept
@test_collection -> has subject -> @history:concept
@test_collection -> has subject -> @catholicism:concept
@test_collection -> has subject -> @newsletters:concept
@test_collection -> has subject -> @posts:concept
@test_collection -> has subject -> @metadata:concept
@test_collection -> has subject -> @system_files:concept
@test_collection -> has subject -> @digital_archives:concept

@promotion:concept {definition: "Activities aimed at increasing visibility or sales of a product or service"}
@catholicism:concept {definition: "Branch of Christianity centered on the authority of the Pope and the Catholic Church"}
@newsletters:concept {definition: "Periodic publications distributed to a list of subscribers, often via email"}
@posts:concept {definition: "Individual entries or articles published on a platform such as Substack"}