A History of Short Words

From the New York Times Crossword Puzzle

IDIG

Sat, 13 May '23
"Understood," once
Sun, 26 Mar '23
"Groovy!"
Sun, 5 Feb '23
"Copy," to a cat
Fri, 28 Oct '22
"Gotcha"
Fri, 8 Apr '22
"Gotcha," in a groovier era
Fri, 2 Apr '21
"Gotcha!," once
Tue, 29 Dec '20
Hipster's "gotcha"