Well to be fair the game gives you the basic concepts and as you keep progresing you come to your own conclusions and discoveries and that is part of the fun, that includes attack patterns of enemies, cost reducing units, to CC until lv 50 if you want to use that unit; even in a twisted way, you have to learn how much you fuck up if you use your first silvers as fooder, that misstake would lead people into buying SC for summoning purposes and money is important for the Dev Tea
Regarding your question, no, i don't think there is a single place where you can gather all that information aside from noobie guides; it would be nice to have it though since the information is scattered all over the place