I don’t think you can. Love seems like such a fluid thing, it can’t possibly be the same for everyone.
I say this because every description of love has no meaning to me and the true honest to god love that I feel for the girl in my life seems like way more then anything anyone has ever described.
So I’ll answer in this way:
Love is something without description or understanding, it just is what it is, simply the most beautiful and amazing everything that you can ever feel for another person. We are just lucky that someone invented a word to describe it.
sorry is if this the least romantic and just the most practical answer here, but it is what it is