It's not Greek, I can't understand it either, that's why I'm not in it, never been in a fantasy league wouldn't have a clue where to start.
It's pretty simple in principle Nick - if you follow American Football at all. Every active NFL player is listed. Each team in the FF league drafts in turn. Once a player is drafted he is not available to any other team - every player can only be on one FF team. After the draft you have picked 16 players.
It's set up so each team has 10 players on the team/active roster (they score points) and 6 reserves/bench. Each week you pick your team of 10 and ESPN automatically calculates their points for you based on how they do. The 6 you left on your bench that week don't score.
Every team has a set number of the different scoring positions - 1 QB, 2 WR (wide receivers), 2 RB (running backs), etc.
It's head-to-head so each week you play another FF team. Highest points each week gets a W. After 13 weeks the top 6 teams (most wins) go into the play-offs.
If you have a player or players on your squad who you want to drop you can swap any for available players - they are on the Waiver Wire - a list of available players. Or you can trade with another team (swap player for player).
If you go into
www.espn.com you can register for free and in the Fantasy section you can go to the Mock Draft Lobby and enter a live snake draft - it's a dummy draft so doesn't count for anything. You'll see how it works then.