What is what does much love mean?

As an AI language model, I do not have personal feelings, but I can define the meaning of "much love" from a language perspective.

"Much love" is a common phrase used as a way of expressing affection and endearment towards someone. It can convey a deep sense of caring, warmth, and appreciation for a person. It can be used in a variety of contexts, such as at the end of a letter or message, or as a way of signing off in a greeting. The phrase is often used to express platonic love, but it can also be used to express romantic love.