the function of dreams in therapy process

It's a thing that has no concrete shape. Sometimes I feel there is a mismatch and sometimes it seems that there isn't. When there is mismatch then it is there due to the use of words - how my T expects me to use words or how I understand he expects me to to use words and how he uses words or how I understand him to use words.

For instance, when I've told him some words trying to express something that to my mind cannot be really expressed with words and when he responds to me and I understand that he did not understand anything I told him. Then the mismatch is created when he asks me to use more words to explain the thing that cannot be explained. Then I tell him that if you would be able to understand what I wanted to tell you, you would have already understood and I would hear it in your response, but simply adding more words will accomplish nothing.

At the same time, I believe he has the exact same trouble with me as well. He tries to tell me something and I'm just totally unable to understand it and instead pick the words apart. Maybe it's not really a mismatch in how we view therapy - maybe it is really a difficulty in communicating, in ability to understand and make my self understood.