1chart 
/ˈtʃɑɚt/ noun
plural charts /ˈtʃɑɚt/ noun [count] 1 a : information in the form of a table, diagram, etc.
▪ a chart showing the number of cars sold each month — see also bar chart, flow chart, pie chart
b : a record of information about a medical patient
▪ The doctor consulted the patient's chart. — see picture at hospital 2 : a map of an area (such as the sky or ocean) used by pilots, sailors, etc. 3 : a list that shows which music recordings have sold the most during a recent period of time
▪ a chart-topper [=a recording that is bought more than any other recording during a particular time] — usually plural — usually used with the ▪ The record went to the top of the charts. ▪ the country music charts
▪ a chart showing the number of cars sold each month — see also bar chart, flow chart, pie chart
b : a record of information about a medical patient
▪ The doctor consulted the patient's chart. — see picture at hospital
▪ a chart-topper [=a recording that is bought more than any other recording during a particular time] — usually plural — usually used with the ▪ The record went to the top of the charts. ▪ the country music charts
