The longitude of a place describes its angle east or west,
starting at the Prime Meridian.
Lines of longitude run north-south and measure east-west.
east and west and longitude is north to south
Lines of longitude are also known as meridians. They run north-south and measure east-west.
Longitude lines connect the North and South Poles and measure distances east or west of Greenwich.
Lines of longitude run North-South.
The lines don't measure anything, any more than the marks on a ruler do the measuring for you. Longitude is an angle on the Earth's surface. It's the angle, measured east or west, from the Prime Meridian to whatever location you want to talk about. On a map or globe, there may be some lines printed along the way, to help estimate the angle.
They measure latitude & Longitude.
Longitude lines run from pole to pole.
north and south direction (up and down)
Longitude lines measure how far (in degrees) you are East or West of the Prime Meridian (which is a longitude line that runs through Greenwich, England and is designated as 0° longitude).
latitude and longitude
degrees