IPhone search bar 'TOP HITS'?

Whe you pull down the screen on your iPhone, search an app and it says that app is under 'TOP HITS' does it mean they personally use that app a lot or does it just mean it's generally a 'TOP HIT' on iPhone users? And what about if it's an app they deleted ages ago, but it still comes up under their top hit?

These settings can be changed in the Safari > Preferences > Privacy > Smart Search Field section. You must also have one app in order to get utmost security in your device. And that is Leo Privacy Guard, It offers you various security functions, so as to keep your device absolutely secure.

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