Help Help! I've Fallen and Can't Identify An Error to Save my Life

Hello all. So yeah.... I am learning as I go and been at this hobby for several months now and doesn't seem like there is an end. You feel like you are learning a bit and then here's 47 other errors or varieties or rpm or ... or.... Ill get there eventually thanks to all the help from this forum. Everyone here has been awesome and more than helpful. So thanks for that. Okay, so now I have found 2 errors on a few quarters while skiming over my bank return pile. I know I saw a video the other day that told me what the name of the error is that I found but can't find it. I will list here now. They are not major or valuable finds but I'm trying to train myself to notice and learn each error.
First coin above head going up to and thru the O and F is a raised line. I wantes to say cracked die but don't die cracks indent and not put a raised line such as this? Then the Q was struck by something foreign. You can see where the edge of something hit it going 2 different directions and the line that comes up and and pretty far past it curving northwest. Part of the Q that was flattened on the sw area of it looks to have lines or lettering from something. What would this error be? And I see all kinds of doubling or I think I do. Ill bounce down to the bottom for my last question--->
On the New Mexico just below the date on the exterior top of the squared off area you can see what looks like half circles coming from box. This is the back side of the Q that was hit by something. I have no idea what these things are called. I did see a piece of debris in the B so that is a CUD ?? Or is that wrong?
Now to the last one. The Tennessee quarter had huge scratches I notices without loupe and after looking at it they stop and start at edge of guitar or other random places so I can not tell if they are Mint made errors or if these are post mint and also what would be the cause of this if mint error? Thanks to anyone who sat through this book I wrote.

 

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1) die crack;
2) post mint damage.
3) B that is a tiny die crack;
4) the guitar marks are post mint, scratches

 

Your title is too long..keep it simple
Your post is also too long..keep it simple
I have been collecting errors and varieties for 31 years.. Every so often I also discover and learn something new. It never ends!

 

Yeah I thought about that afterwards. I'm trying to explain things as if I was doing so to a person on my level in the hobby. Short and sweet it is. Thanks paddy.

 

First photo is a minor die crack. The New Mexico reverse shows two pre die crack depressions, a pre cursor to a regular die crack. The rest is damage.

 

Rushing around to get on plane for vacation and I filled a bank bag with several rolls just to check out if bored on plane or stuck for some odd reason. I couldn't find anything saying I couldn't take eye loupe on plane but who knows with TSA. Hate to have to toss this one. She wasn't cheap.

 

Thanks Tommy. You and paddy both on same page.

 

Maybe they were afraid you were going to inspect the food!

 

I was looking a

Happy birthday good sir.