Where are the mysterious ' Settings' that are supposed to be in the little cog to the right of Mail.?

Update: Carol is only 1 correct & suddenly there is a 4th suggestions? I am on a desktop & YA these days is very poor (that is the cleaned up version) not least me being level 1 Google Black death & I usually come up as an answer Level 7 a couple of years ago hey ho Tanks Carol
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