Capacity or power of comprehension; extent of knowledge or of the ability to acquire it; range of mind or thought. Frequently in prepositional…

The range or distance within which it is possible to see or be seen; range of vision; presence; = view, n. 5b. Only in prepositional phrases, as wi…

The distance to which the mind reaches in its workings or purpose; reach or range of mental activity; extent of view, outlook, or survey.

Chiefly with of. A notional space or region in or of the mind, experience, psyche, etc.