Noun

(en noun)

(architecture) A turret or other raised structure offering a pleasant view of the surrounding area.

* 1919, , Duckworth, hardback edition, p. 57,

"One evening," she went on, "while Madame Orio was fast asleep in her little belvedere (it being the good old lady's habit to repair there to rest after a bottle or two of red Padua wine), Manette and Marton left the widow's house noiselessly in the Campo San Zobenigo, and made their way running towards the Piazza of St. Mark's."

* 1982 , (Lawrence Durrell), Constance'', Faber & Faber 2004 (''Avignon Quintet ), p. 761:

The most important thing, she reflected, as she stood on the balcony of the Mairie which formed a most useful belvedere over the town, was to make her appearance as commonplace and down at heel as possible [...].

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Noun

(wikipedia panorama) (en-noun)

An unbroken view of an entire surrounding area.

*{{quote-book, year=1963, author=(Margery Allingham)

, title=(The China Governess) , chapter=Foreword citation , passage=He stood transfixed before the unaccustomed view of London at night time, a vast panorama which reminded him […] of some wood engravings far off and magical, in a printshop in his childhood.}}

A picture or series of pictures representing a continuous scene.

(figuratively)  a comprehensive survey.