List of what numbers mean in rubric

Submission.md

@@ -81,6 +81,13 @@ If you claim “Half” then others cannot claim “All” or “Most”, but on
 | Gameplay mechanics | - | - | - | - | - | 
 | Design| - | - | - | - | - | 
 
+Explenation of what the numbers mean.
+* All - 1
+* Most - 2
+* Half - 3
+* Some - 4
+* Touched - 5
+
 ## Group discussion
 
 ### The engine