Rugby terms such as 'Dead ball line' and 'Try' are in a rugby glossary and it gives you the meaning as well as the term. -- To see a full list of terms used in the game visit the IRB website go to their rules and regulation page
Basically The league code was born from the Union code. Most rules are the same with exception of 6 tackle rules, no line outs ruck or maul - wing forwards re not employed in the game so a league...
The Rugby Union came first. Then Northern Clubs favouring different rules split off from the Union creating their own Northern 'League'. Hence, Rugby League was born.
The reason for the split was...
Rugby is a team sport kind of like American football and soccer, but there are no pads and you can only pass backwards. Union has 15 players and League has 13 players i think! Rugby you are split...