What is SCI, SCIE, SSCI and ESCI indexing?

What is difference between SCI and SCIE indexing?
What is difference between SCIE and SSCI indexing ?
Difference between ESCI, SSCI and SCIE.

[@Farhab]

It is awesome.
Please remove background music...

[@dr.harismalik4552]

Thank you, sure

[@ShahidKhan-jf5yo]

what is impact factor, and where its mention in journal?.

[@dr.harismalik4552]

Will upload a video on it

[@fahimqasim1554]

Please don't use background music, its really annoying