A line segment on a graph would be any line that isn't continuous. It would have dots on the ends instead of arrows. Is that what you're asking?
Answer:
what's all the meaning of this
Is this geometry? if so is there a picture i can look at to help you?
Answer:
They commonly use:
•Maps
•Globes
•Atlases
•Aerial photographs
•Satellite photographs
•Information graphics
•A computer program called GIS
