For the most part, verandahs are similar. They are somewhat small, without a lot of move-around room.
It’s the one-off ones that are what I guess you are looking for?
One with a triangle shape and only a tiny bench.
The 7A Navigator’s Verandahs in M&W with a solid wall, round cut out for porthole, and two bench seats.
F&D have extended verandahs (Cat 4E) that have the shaded space of regular + an equal area of exposed decking - which can be seen from decks above. Some have one side curved, where you can see forward or aft without the wall blocking your view - but also can better see your neighbors.