Hmmm...
a lot of "blue" things in your answer which I don't have. (?)
What do you mean by "blue explanation mark", "snow flakes", "sun icon"?
- A blue symbol (anchor) is for "water runways". There is no "runyway" direction marked on the map.
Question: Put your mouse pointer on any green dot or a yellow star. Mouse click right. A window opens. Do you have "Edit User Waypoint".
Are the fields like "name", "elevation" , "notes", "tag" filled out?