Abstract vs concrete explained
Today I was at lecture about trance state. One of things I learned there is that you can cause it to your audience by providing information with incomplete data, so they would finish the picture based on their subjective experiences and interpretation. For example a person went on vacation to sea. A sea has a shore, but due to lack of data it can be interpret as being sandy or filled with pebbles, which are sensory details. The more general description you provide, the less concrete data it contains. Therefore abstract is about intangible ideas and concepts while concrete is something tangible you can experience with your five physical senses.
Few days ago I saw on this subreddit a post from an ISFP who wants to have deep conversation with her intuitive friends, but can't. Today I had the following exercise: I give my conversation partner a general description of my experience and the latter tries to figure out concrete details, which puts me in trance state as I try to remember them and confirm whether they guessed it correctly, then we switch roles. There was a philosopher named Friedrich Hegel, who used from abstract to concrete method which translates intangible concepts and general principles into physical examples, so the exercise I had today is the opposite, to make descrptions as general as possible. With this I started to understand intuitives even better along with my own Ni.