C. From what I have read they come from the outdoors.
The answer would be Latent content.
Latent content expresses the real meaning behind the imagery you see in dreams. It illustrates one's unconscious desires, drives and thoughts. In other words, latent content is the psychological meaning of your dreams.
If you were to differentiate it with manifest content, the manifest content is more about what you see on the surface. The actual images that you see and not the meaning behind it.
So again, the answer is latent content.
The CPT coding has the following steps:
1 Determine the procedure whether it is a test or service to be encoded
2 Identify the terms in the procedure
3 Using the Alphabetic index, locate your terms
4 Identify the subterms of your terms
5 Take note of the code number of your terms and subterms
6 Use the tabular list to verify the code
7 Refer to the coding conventions and notes
8 Look for modifiers where necessary
9 Repeat the steps for adding more codes