線圖

line drawing / diagram / line graph

thread / string / wire / line / CL:條|条[tiao2],股[gu3],根[gen1] / (after a number) tier (unofficial ranking of a Chinese city)

diagram / picture / drawing / chart / map / CL:張|张[zhang1] / to plan / to scheme / to attempt / to pursue / to seek

route map; (lit. and fig.) roadmap

route map / roadmap (also fig.)

line graph / line diagram

candlestick chart

line chart