Okay, let's try this without the errors and casual domestic abuse references and classism/racism!
All of the below may be worn "because I like how they look." When I say what they're worn for, I mean the intended practical intention of their design.
This is a compression tee or workout tee. They are usually made out of synthetic materials for moisture-wicking purposes. They are worn for exercise or workouts, to draw sweat away from the skin.
This is a muscle tank. It is worn for working out (lifting weights, most often) or showing off one's muscles.
This is a sleeveless tee. Note the different sizes of the armholes. This is pretty much just a fashion statement, two tickets to the gun show, etc. but sometimes worn at the gym.
This is an A-shirt, ribbed knit tank, or fitted knit tank. In the US it may colloquially be called a "wifebeater," but that's classist, racist, and fucking gross, so knock it off.
Originally intended as an undershirt, may be worn as a primary shirt. Still worn as an undershirt by many men/mascs.
This is a fitted tee. They come in crew necks (pictured) and v-necks, typically. These also started as undershirts and are often still worn as same, but now are often worn as casual shirts as well. The difference between one intended as a casual shirt and one intended as an undershirt is mostly just fabric weight.
This is a tee shirt, also known as a heavyweight tee (a reference to fabric weight), loose-fit tee, or unisex tee. Intended as casual wear.
This is a polo shirt. Usually worn fitted and tucked in as shown, unless being worn with shorts. This is a "dress casual" sort of shirt, the kind of thing a person might wear to a semi-nice dinner out with family during the summer, but it's also part of the work uniforms of a lot of working-class people now, so.
This is a Henley or y-neck. Usually 3-5 buttons at the neck and made of cotton knit. This started as underwear too - a warm layer for winter - and is still used that way, often layered with camp shirts, chamois shirts or flannels. Also worn alone. These are pretty common chores/work shirts in my experience.
This is a camp shirt or work shirt. It is made of broadcloth, denim, canvas, or another sturdy material. Worn either as an outer layer unbuttoned over a tee, tank or henley, or if it's a nice shirt in good shape you can button it up and tuck it in and get away with wearing it to a semi-casual thing, like a weekday dinner with friends or an event at church/synagogue which isn't a service, like a potluck or a meeting.
These can often be bought lined or quilted and used as a light jacket. I used these for throwing on real quick when going to bring in wood so the wood wouldn't chew up my forearms.
Now THIS is a flannel. The difference is this is made out of flannel.
Everything I said above applies to this, except flannel shirts are more "casual" than a nice camp shirt bc the material is softer.
Flannel. Shirts. Don't. Have. To. Be. Plaid. A lot of them are, but I own/owned plenty of solid color flannel shirts. I don't care for these as much for chores bc the soft material means stuff is more likely to poke through, but they're great for layering.
I'm out of pictures so hang on, adding more.
