Wonder if someone can help me identify and tell me how to prune these trees? The first one is unknown and growing strait up. I know these need to be pruned but I dontknow what they are or where to prune. Here is a pic of first.

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The second is persimmon(I think)

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The third is pomegranate

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Fourth is unknown

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Fifth is citrus of some sort?

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Sixth is apple

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Seventh is citrus of some sort, and broke(you can see where I had to cut it.

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Any help identifing and pruning tips would be appreciated. Thanks