What is the function of an introductory paragraph

1. a composite of a larger term, created by using only the first letter of the most important words in that term bells 2. a skilled musical or theatrical performer acronym 3. an instrument for measuring air pressure cuisine 4. a deep bass voice that extends to c below bass staff basso profundo 5. percussion instruments consisting of metal bars or tubes artiste 6. manner of preparing food barometer 7. a concave brass plate that produces a brilliant clashing tone vertebrate 8. an animal having a spinal column in contradistinction to an invertebrate, an animal that does not have a spinal column cymbal

My friends asked me, “are you not coming for the party? "change into passive voice

What is missing from the data dump outline for this body paragraph? a.provide 3rd example-data b.explain all data-warrant c.claim