Could somebody explain what "pitches" means in the sentence and can it be used in a formal context or it's a slang?
"One of this candidate's campaign pitches is to reduce the city's crime rate."
To 'pitch' something is to 'throw it out there', 'set it up', or 'establish' figuratively speaking.
A 'sales pitch' from a store owner, or car salesman may be "you need this item, it will make your life better. You will become more popular because you own it."
Politicians use a similar approach when trying to 'sell' you their policies & ideas to encourage you to vote for them.
"We will reduce crime in the city, and no increase in taxes."
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