The graph shows the number of visitors to a museum from 2010 to 2015.

"Grammatical Range and Accuracy (GRA): The range and accuracy of your grammatical structures". Similar to above, "Range" again could be "variety" or "spectrum", and "Accuracy" as "precision" or "correctness".

"Coherence and Cohesion (CC): How well you have organized and linked your ideas logically". "Coherence" could be "clarity", "consistency", or "logical progression". "Linked" again, maybe "connect", "tie together", or "associate". "Logically" as before.