My list of "firmament words" ⚙️ words that are too difficult to define without already understanding language at an advanced level, or that are so fundamental they are often embedded in grammar rather than stand-alone words from a few years ago:
I / me
you (singular)
he / she / it
royal we
me and you
you (plural)
they
me and them
you and he/she/they
this
that
the other
logical AND
logical INCLUSIVE-OR
logical EXCLUSIVE-OR
logical NOT
boolean TRUE
boolean FALSE
boolean INDETERMINATE
boolean UNKNOWN
boolean RANDOM
reference name definition
reference link
list beginning indicator
list separator indicator
list terminator indicator
string beginning indicator
string ending indicator
namespace indicator
number indicator
Unicode code point indicator
use-mention indicator
conversational register
inquiry register / question mark
command register
suggestion register
declaratory register
observational register
intent declaration register
politeness indicator: to a divine entity; prayer register
politeness indicator: towards a guardian/parent
politeness indicator: to a government official
politeness indicator: to a peer / classmate / coworker
politeness indicator: to a close friend
politeness indicator: to a small child under 10
category: time
category: place
category: element
category: number
category: animal
category: plant
category: microbe
category: majestic object
category: network object
category: appliance
category: personal object
descriptor: shape
descriptor: color
descriptor: size, scale, duration
adverb: superlative
adverb: slightly, a little bit
"positive utility", good (and not bad), to like
law, rules, procedural order
ethical, good (and not evil)
relating to an explore exploit tradeoff, “risk(2)”
probability, likelihood of an uncertain outcome, "risk(1)"
belief, faith
desire, to want
to represent, to act as a fiduciary for
to possess (1), to be a part of a whole
to possess (2), to be in one's inventory
existence (to demonstrate a set is not empty)
measure word: count of discrete objects
measure word: indicator for a unit of measure
measure word: some
hint: subject-verb transition
hint: verb-object transition
hint: object-object transition