A Connection is created when a Node has something in common with another node or something else on the Internet or in human culture and media.

It differs from a Source in that a node may never mention the Connection at all whatsoever, nor anything derived from it, and yet they still have some particular trait in common.

A connection can be made between one 100% original piece of work and another 100% original piece of work, without either of them using content from the other.

If, for example, a node is a story involving characters from the television show, Mister Rogers' Neighborhood [1], then the show itself needs to be cited as a source in the node.

If, however, a node is a story in which characters learn themes similar to, but not identical to, themes taught in Mister Rogers' Neighborhood, then the show does not need to be cited as a source, because the node does not derive from the show. Instead, a hard link could be posted as a connection at the bottom of the node, to demonstrate how they have some particular quality in common (the shared similar themes). Connections to pages outside Vicus Lusorum are always hard links in the footnotes, and they can also be included as pipe links in the body text. When you list connections in the footnotes, always put them in the same order that they appear in the body text, since they are not given footnote numbers the way sources are given numbers. Connections within Vicus Lusorum are always pipe links in the body text, but you may also include them as hard links in the footnotes if you choose.
This page is an excellent example of appropriate connection and source formatting. Notice how the connections within Vicus Lusorum are not listed in the footnotes, but all outward-linking connections are listed in the order they appear, as well as all sources numbered and listed.

The following are examples [2] of bases upon which connections can be made. Connections are not limited only to these examples:

Activity: involve a common activity

Affects: one affects the other for better or worse

Appearance: have a common colour or visual quality

Cause: have a common cause or source event

Class: the same kind of thing

Component: have a common ingredient, event, or participant

Comprise: are part of the same thing

Contains: one contains the other

Contributor: one participated in the other

Creator: one creates or created the other

Depend: have a common requirement or need

Effect: have a common result or outcome

Emotion: invoke or involve a similar feeling

Feature: have a common attribute

Function: have a common function or activity

Humour: related by a creative twist

Hyponym: is a kind of

Idea: have a common philosophy, ideology, or belief

Language: have a common linguistic root, etymology, or sound

Location: have a common place

have a common interpretation or symbolism

Medium: have a common means of production or expression

Meronym: one is part of the other

Metaphor: one is metaphorically associated with the other

Numeric: have a common numerical structure or pattern

Origin: have a common source or background

Precedent: one paved the way for the other

Provides: one provides or produces the other

Purpose: have a common intent or desire

Related: have a familial or personal relationship

Represent: have a common expression or embodiment

Requires: one requires the other to live, function, exist

have a common role or position

Serves: one drives or serves the other to some end

Smell: have a common scent

Sound: have a common tone, timbre, or volume

Story: related by happenstance or tale

Style: have a common manner, artistry, or genre

Subject: one is the subject of the other

Taste: have a similar taste

Theme: have a common subject

Time: have a common date or event

Touch: have a similar feel, temperature, or texture

Trope: represented by or invoking of the same media archetype

Uses: one uses the other

[1] Mister Rogers' Neighborhood, Wikipedia.
[2] examples derived from The Bead Game

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