To figure something out from context. The System III manuals
are pretty poor, but you can generally glark the meaning from
context.
Interestingly, the word was originally
‘glork’; the context was This gubblick contains many
nonsklarkish English flutzpahs, but the overall pluggandisp can be glorked
[sic] from context
(David Moser, quoted by Douglas Hofstadter in
his Metamagical Themas column in the January 1981
Scientific American). It is conjectured that hacker
usage mutated the verb to ‘glark’ because
glork was already an established jargon term (some
hackers do report using the original term). Compare
grok, zen.