noun
General term for visual representations of data, including line graphs, bar charts, and diagrams.
このグラフは売上の推移を示しています。
This graph shows the trend in sales.
図表 is a more formal or technical term for charts and tables, often used in reports. グラフ is the common everyday word.
表 refers specifically to a table or list of data, not a graphical chart.
Loanword from English 'graph', adopted into Japanese with the katakana spelling グラフ.