Is there any meaning, which I am supposed to untangle, to things I saw during meditation? I had a friend who introduced me to Buddhism. He was very insistent I go to Buddhist groups, though I ended up going to a different one to the one he suggested (the leader was Theravāda not Mahāyāna). I haven't spoken to him in a long time, but he is the person I associate most strongly with Buddhism. He was very insistent that I chant the same mantras as him, and go to the groups he suggested.

In any case, during the meditation (which took place immediately after the one where I resolved to check if the universe is eternal) I saw these things:


I remembered a dream I had two days ago in which my Buddhist friend had changed from how I knew him. He was usually friendly and cheery, if a little unusual in manner sometimes. However, in the dream he looked very different and was angry, seemingly not just with me, but with everyone, but with me also. He grabbed me by my collar and screamed at me and I was afraid.
I saw there was a world within my laptop, which became large and over-filled with information, then shrunk to become the size of my left foot, and hovered just below my knee.
I saw a bright light, which was powerful and pure white, but tinged at the edges with gold. The light appeared to come from a figure, whom I saw as bound but then released from his bondage, stepping down from the place where he was bound to walk on the earth and talk to the people there.


Is it possible there is any meaning to these, which I am supposed to untangle? They seem to all be connected to my previous question, about the limits of the universe and the cycle of birth and death.
In order to possibly determine the meaning of your thoughts, you would need to consult a psychoanalyst. What is important within the reference of a forum answering questions on Buddhism, is that these conceptual thoughts during meditation are to be pushed aside so that you return to your focal point, usually the breathe. The goal of meditation is not to allow your thoughts to jump from one to another while you sit on a cushion. The goal is the absence of thought, thereby generating a clear calm mind. This takes practice. As you are someone new to to Buddhism, I recommend that you not rely on your friend alone, but read and study, and attend as many teachings offered by genuine lamas in order to extend your knowledge. You have made a good start. The Buddha said to listen to what he had to say but explore the truth of it on one's own.