Domain-specific words, are also referred to as Tier 3 words. They're the words that are vital to a particular subject. e.g. clause is a word that's commonly seem in English language.
Since the question is related to geography, the three words are domain-specific include atmosphere, storms and gas. These words are commonly found in geography.
Can someone pls give an example of networking in their own life experience. If at all you don't have any , you can include an example of what you want to do