chart · noun /tʃɑːt/
chart
B2 C a drawing which shows information in a simple way, often using lines and curves to show amounts
Dictionary example:
a sales chart
Learner example:
Now I can create special charts at home. (First Certificate in English; B2; German)
the charts
B2 an official list of the most popular songs each week
Dictionary example:
They're currently at the top of the charts with their single 'Enough'.
Learner example:
She get[s] to the people's hearts by music and she is now [at] the top [of the] charts with the song "Love me". (First Certificate in English; B2; Polish)