* A profession: "The doctor's lingo was confusing to me."
* A region: "I couldn't understand the local lingo."
* A hobby: "Gamers have their own unique lingo."
* A social group: "Teenagers have a lingo all their own."
Essentially, "lingo" is a shorthand for a specialized or jargonistic way of speaking or writing.
It can also be used more broadly to describe any language or dialect, even if it's not a specialized one.
Here are some examples of how "lingo" is used in a sentence:
* "I'm still trying to learn the lingo of the tech industry."
* "The movie was filled with slang and lingo that I didn't understand."
* "I love learning new lingo from different cultures."