Glossary
Developmental milestone
Definition
Developmental milestone is a skill most children acquire within a typical age range.
How to read one
As a range, not a deadline. Milestone ranges are wide by design and a child at either edge is usually unremarkable.
The useful signal is a pattern across several areas, not a single late skill.
More terms
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Births per 1,000 people per year, without adjusting for the age structure…
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The lingering cognitive cost of switching tasks, where part of your attention…
Algorithmic feed
A feed ordered by predicted engagement rather than chronology.
Attachment
The bond between a child and their primary caregivers, and the security…
Helpful content
Google's framing for content written for people rather than for search engines.
Alpha generation marketing
Marketing aimed at the 2010–2024 cohort, usually mediated through parents and platforms.