@file_pinax -> documents -> @substack_and_newsletter_collection:document {title: "Substack and Newsletter Collection", type: "Collection", created: @date_2022, language: "en", description: "A collection of Substack posts and related datasets, including tutorials, announcements, essays, and metadata about newsletter posts and system files.", creators: [@substack, @nchimicles], institution: @test}

@substack_and_newsletter_collection:document {title: "Substack and Newsletter Collection", type: "Collection", created: @date_2022, language: "en", description: "A collection of Substack posts and related datasets, including tutorials, announcements, essays, and metadata about newsletter posts and system files.", creators: [@substack, @nchimicles], institution: @test}

@substack:organization {full_name: "Substack"}  # reference; already defined, no need to create

@nchimicles:person {full_name: "Nchimicles"}   # reference; already defined

@test:organization {full_name: "Test"}        # reference; already defined

@editor:concept {definition: "The person or tool responsible for preparing content for publication on Substack."}
@formatting:concept {definition: "The arrangement and styling of text and media within Substack posts."}
@tutorial:concept {definition: "Instructional material guiding users on how to use Substack features."}
@guide:concept {definition: "A document providing directions or advice on Substack usage."}
@articles:concept {definition: "Written pieces published on Substack."}
@essays:concept {definition: "Long-form written works included in the collection."}
@email_marketing:concept {definition: "Strategies for promoting content via email, as used on Substack."}
@content_management:concept {definition: "Processes and tools for organizing Substack content."}

@substack_and_newsletter_collection -> has subject -> @substack
@substack_and_newsletter_collection -> has subject -> @newsletters
@substack_and_newsletter_collection -> has subject -> @announcements
@substack_and_newsletter_collection -> has subject -> @subscriptions
@substack_and_newsletter_collection -> has subject -> @modern_indulgence
@substack_and_newsletter_collection -> has subject -> @editor
@substack_and_newsletter_collection -> has subject -> @formatting
@substack_and_newsletter_collection -> has subject -> @tutorial
@substack_and_newsletter_collection -> has subject -> @guide
@substack_and_newsletter_collection -> has subject -> @articles
@substack_and_newsletter_collection -> has subject -> @essays
@substack_and_newsletter_collection -> has subject -> @email_marketing
@substack_and_newsletter_collection -> has subject -> @content_management
@substack_and_newsletter_collection -> has subject -> @metadata
@substack_and_newsletter_collection -> has subject -> @system_files
@substack_and_newsletter_collection -> has subject -> @digital_preservation

@newsletters:concept {definition: "Periodic email publications distributed via Substack."}
@announcements:concept {definition: "Official notices posted on Substack."}
@subscriptions:concept {definition: "User enrollments to receive Substack newsletters."}
@modern_indulgence:document {title: "Modern Indulgence"}  # reference; already defined
@metadata:concept {definition: "Data describing other data, such as information about newsletter posts."}
@system_files:concept {definition: "Files that support the operation and maintenance of the Substack system."}
@digital_preservation:concept {definition: "The practice of preserving digital content over time."}