The map does not reflect some additional tasks. (The Elder Scrolls 5: Skyrim)

Good afternoon. I do not know. this is a technical issue or not, but because they write in this topic. Decided to do a little minor tasks (from section Miscellaneous) and it disconnected all the basic. I looked at the map. and there is reflected only a couple of pieces, and the other labels are not. I know you can hover over a task and click M so that the map focused on this task, but it works only with those tasks that so reflected on the map. For example, hanging the job include two flawless sapphire a woman, these sapphires I have, and not visible on the map where exactly to wear. I of course found on it was not job label, but dialogue was needed. Or a job where you have to tell someone. her cousin was killed, and where is this Someone is not clear. It is obvious that I know that her cousin is dead, but who to tell and where to find it-I don't know. I also understand that there are assignments such as Bring the amulet of Arkay who did, and it is clear that it will not be reflected on the map because this amulet can be found in different places, but when it is found, then a label appears where to carry. But why did not affect other tasks. And there are jobs on the contrary. For example, to bring a sword to some Ghost. And mark there and a Ghost, but no conversation, but the sword that I have, as well as a quest item, you cannot lose it from my campaign and was not. There is also a mission where you have to meet that. who I have something stolen.I rented a room in the attic, slept, woke up God knows where, and it was a long time ago, but still hangs the label on this restaurant. saying that meet the. who is out there that was stolen from me. Systematically anticipating there. and no one was there. Question:is this normal or I something not understand?. Thank you all.