1- Usually a level surface suggests ease and comfort. Dreaming of a road being level would indicate our way ahead is fairly straightforward.
A level crossing suggests that we are approaching a barrier which requires our attention. We may not yet have enough information to take avoiding action.
2- There are many levels of understanding which arc available to us in the dream state. It will depend on our stage of advancement at which level we choose to interpret our dreams.
3- A level in sacred architecture represents knowledge out of the norm.