font weights

Question

what is font weight for normal font like 100 200 300 i am too confused in types n weight

Answer 1

You can define the font weight with a number from 100 (thin) to 900 (thick), according to how thick you want the text to be.
400 is the same as normal, and 700 is the same as bold.

Answer 2

what about remains other weights like 100 200