"Estas distancias son una medida de la posición."
Translation:These distances are a measure of the position.
On a Cartesian graph, a position is denoted by an x-coordinate and a y-coordinate. The x-coordinate is a measure of the distance from the y-axis and vice versa. So if you are given (x,y) then X and Y are distances and these distances are a measure of the position (relative to the origin).
You can say the same a map with longitude and latitude, although it's kind of different because of the polar coordinates used.
Thank you. I had absolutely no clue what this sentence meant, but your explanation really helped.
On the other hand all these examples are to help us learn Spanish vocabulary and grammar. They don't have to make sense.
I see I wasn't the only one looking around that part of the dictionary as a kid.
That would be poring scottann ... unless he just spilled his coffee!
But we would rarely use the word "position" in English, without an adjective clause telling us the position of what