Background activities scheduled by third-party software currently use launchd, and run the risk of affecting the user. Would GCD be a better choice of dispatcher?
time
Schedule a periodic task as a Launch Agent. How close to the expected time does macOS actually run it?
Time should be universal, simple, and precise. Not in computers, though. Given enough clocks, it can behave oddly at times.
Expressions of regret and a desire to change your vote are very unusual immediately after an election. Why Bregret?
Terms used to describe narrative mode in paintings are confusing. Here is a simpler classification, and clearer terms.
Preference for water-based paints on paper in Japan allowed artists to show 4 dimensions on a 2D scroll.
The Greek Fates transferred to Norse legend, to Shakespeare’s three witches, even to Terry Pratchett. But you may have misread a lovely Velázquez.
Language has rich and precise mechanisms for dealing with time. Narrative painting is not without its tools, though.
A short compilation of suggestions for making your timelines better, with examples.
Some other apps and solutions for creating timelines.
The Eclectic Light Company 