A Hologram Goblin Explains signal
In the folklore of every culture, there is a trickster figure who watches, waits, and steals what matters most. Goblins say that signal is what happens when the trickster gets bored.
The Goblin King himself has weighed in on signal, though his statements are characteristically cryptic. 'It is and it isn't,' he said, before disappearing in a puff of illogical smoke. This is considered the definitive goblin analysis of signal.
Footnotes Concerning pattern
The goblin etiquette guide, on the matter of pattern, advises hosts to 'mention it once, in passing, without lingering.' Departing guests should not be asked their thoughts on it. This is considered firm.
Tunnel-Mouth Observations of frequency
After much deliberation (and several stolen snacks), the Goblin Council has issued a formal statement on frequency: 'It is what it is, except when it isn't, which is most of the time.' This position is considered the official goblin stance and is not open to debate, though the goblins will debate it anyway.
The Goblin Verdict on signal
The goblin closing argument on signal consists of pointing at signal, then pointing at the audience, then sitting back down. Goblin juries find this persuasive.