Statistics

Your rating is 1217. The higher the better. Generally speaking, beginners are 500-1000, learners are 1000-1500, club strength players are 1500-2100, and 2100 are potential experts/masters. This is just roughly speaking from memory. When you started you were probably assigned a rating of about 500 so you have done quite well so far. 

Your rank should be self explanatory. For example, my rating is 1867 and my rank is 11,705 out of 631,751. This means I am ranked about the 11000th best on the site (in the top 2%). 

Glicko is something else and is not your rating. It is a measure of certainty. So my rating is 1867 and my glicko is 44. I guess you can think of it as being my rating is 1867 +/- 44. The higher the glicko the more your rating is likely to change as you win or lose games. When you start out on chess.com your glicko is 350. So your rating changes wildly. As chess.com gets more information about you (as you play more games) then your glicko will fall and your rating will tend to change less as you win or lose games. 

https://www.chess.com/article/view/chess-ratings---how-they-work