Lost my Time & Weather on Home Screen

[Kaasan12047]

Help, Please. I have a Samsung Galaxy Note 3. It seems everytime I get the apps icons just how I want them, something disappears. Today, the weather & digital clock from my Home screen disappeared. As I'm older and not very tech savvy I'm not sure how to get them to appear back in the upper half of my home screen. The bottom half shows the main apps, and the bottom shows my 5 main widgets(?). I tried restarting, but they didn't come back. Google play shows I have AccuWeather & Digital Clock but they are not installed. Do I install the apps or am I looking for a Widget? Please be precise as I get confused with the terminology. Also, any ideas why the apps dissappear from the screens on their own?

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