Definition of thesis from the Collins English Dictionary The noun phrase A noun phrase is a word or group of words that can function as the subject, the object, or the complement in a sentence.
Sona, Ziggs, and Heimer are all still there on the top (well above 60% win rate) along with most of the champions that were there prior to the mark/dash .. Bard, Evelyn, and Elise are all still on the bottom (below 40% win rate) along with most of the champions that were there prior the mark/dash.
The current range of champion win rates lies almost entirely within the range of 45% to 55%. This means that while there are certain outliers, the majority of champions are close to balanced when it comes to players of similar skill levels and any unknown variables that change from game to game.