2 replaced “slang” with “colloquial”, as interpreted as the intended word; see comments.
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Both words have the same meaning but Aufzug is the technical correct term and Fahrstuhl is a slang-termcolloquial term.

Both words have the same meaning but Aufzug is the technical correct term and Fahrstuhl is a slang-term.

Both words have the same meaning but Aufzug is the technical correct term and Fahrstuhl is a colloquial term.

1
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Both words have the same meaning but Aufzug is the technical correct term and Fahrstuhl is a slang-term.