Plainly
look up a word, understand it — no rabbit hole
exclave
nounEK-sklaiv
meaning in plain English
A piece of a country that is separated from the rest of it and surrounded by other countries.
Picture an exclave as a lonely island of a country, stuck inside another land like a backyard garden fenced by neighbors.
for example
The part of Russia next to Poland is an exclave because it isn’t connected to the rest of Russia.