How tight are buttoned collars supposed to be on men's dress

Is it okay not to button your top button on a dress shirt when wearing a tie (think Jim Halpert from The Office)? - Quora

Should you close all of the buttons on a button-up shirt when hanging it? - Quora

When should a man wear French cuff dress shirts? - Quora

How A Men's Dress Shirt Should Fit (Ultimate Men's Guide)

Men's Dress Shirt Guide – Fit, Collar, Cuffs & Details

How are shirt collars made stiff? - Quora

How Should a Dress Shirt Fit?

How A Men's Dress Shirt Should Fit (Ultimate Men's Guide)

Why are men's dress shirt sizes based on the neck measurement? - Quora

How many shirt buttons are acceptable to be left unbuttoned on a guy's dress shirt in a semi-casual event or work environment? I leave the collar button plus two unbuttoned. My girlfriend

How Tight Should a Dress Shirt Collar Be? – StudioSuits

How should a men's casual shirt fit?

How Should a Dress Shirt Fit? — 3 Critical Areas

How long have the front edges of men's dress shirt collars been horizontal, instead of angled downward? None of my shirts are like that, but I suddenly see everyone's collar like that