It refers to the maximum capacity of every vehicle instead of the maximum total capacity of all vehicles (eg. 10 means every vehicle have maximum capacity of 10)
x and y coordinate is the location of every customer, and you need this information to calculate the distance travelled (aka. cost) by vehicles (imagine they are on an Euclidean plane with x-axis and y-axis).
Hi there NeverOnTimeSdnBhd, sorry if my question looks dumb and I want to ask
Thank you for spending your time to answer my questions