When we communicate about our sensory experience, we use analogy. All our words can do is compare one experience to another and point out similarities and contrasts.
When we learn to name our colors as children, we have to begin with the actual experience of color: Mom shows you Red—gives you the experience—and tells you that this experience is called “red”. You now have an experiential benchmark against which your further experience of color can be measured. You then have to learn that the label “red” is flexible enough to encompass a wide and subtly variable range of experience, similar to but different from that original benchmark experience.
So all of our communication about experience has to start with experience itself. Words aren’t capable of creating the experience; they can only refer you back to your stored experiences and synthesize new imagery using analogy.