What are com.sec.android.provider.* apps exactly?

Question

I know it\'s not a code question. However, i try to work on some databases that stored in directories like /data/data/com.sec.android.provider.*.

What does

Answer 1

However, i try to work on some databases that stored in directories like /data/data/com.sec.android.provider.*.

Those are not part of the Android SDK.

What does it mean by "sec" in the provider signature?

Samsung Electronics Corporation is my guess.