A ________ is a type of chart that uses symbols instead of words or numbers to portray data.

A) pixel track
B) bubble matrix
C) pictogram
D) symbiosis
E) tag cloud

A pictogram is a type of chart that uses pictures or symbols to represent data. The use of symbols instead of words or numbers makes it easier for viewers to understand the data being presented, especially for those who may have difficulty reading or interpreting text-based information.