I know there is a lot of differences but what sticks out the most and how can that silver improve?
Hukka touched on this, briefly, but I'll elaborate on map knowledge.
Good comms. are directly related to map knowledge, which comes from experience in playing the map. Even if you don't know where the players are going to be coming from, good comms. will at the least give your teammates an advantage after you die.
In matchmaking, you'll often hear someone repeat a call 2 or 3 or 5 times. That's because they want to convey the importance or urgency of the positioning callout. Usually, though, it just muddies comms for the whole team. It's panicky and distracting. Even the NA pros do the same thing.
Most Euro teams have very calm and direct callouts. The effect that has is calming on the whole team, I think, allowing you to focus better.
I'm really not good enough to see most things that separate a good player from a bad one but one thing I always notice is that lower level players just do not know how to stand still (to shoot, aim, preshoot) and always twitch around with their mouses. I'm very much guilty of that, I used to think standing still meant death in cs, I didn't get that many kills lemme tell you. That and as an extent in the same vein, map knowledge. When you don't have to worry about where the enemy is because you know the possible places he can come from, you have a lot more time to gradually work on your aim and micros. You trying to climb? :)
Yeah man I'm starting the climb as so as I get back from my trip tomorrow. Silver 4 and my main problem is panicking but I previously dealt with the same stuff you mentioned.
Right on man, good luck with the grind, you can definitely get it done. I still panic a bunch and end up spraying all around my targets sometimes, usually when we're doing well and I start to over think it. Watching some high level streams can also help you a bunch I reckon, I need to get into that myself!
I have been an LEM for a few weeks, and would be happy to answer any specific questions you guys might have. I doubt I'm the highest ranked player here, but I hope I can be helpful.
Map awareness and communication for sure. At lower ranks players often tend to have their aim on point, but they're clueless as to how the game actually plays out.