Difference between Plains and Obvious

PLAINS vs OBVIOUS: NOUN

Easily perceived and understood
In zoology, plainly distinguishable; quite apparent: as, an obvious mark; an obvious stria: opposed -to obscure or obsolete.
Easily discovered, seen, or understood; plain; manifest; evident; palpable.
Coming in the way; presenting itself as to be done.
Open; exposed to danger or accident.
Being or standing in the way; standing or placed in the front.

Mere, Unpretentious, Featureless, Evidently, Stark, Homely, Obvious, Unattractive, Manifestly, Unadorned, Unembellished, Unornamented, Patently, Pure, Simple

Manifest, Demonstrable, Plain, Big, Perceptible, Egregious, Axiomatic, Palpable, Salient, Visible, Overt, Conspicuous, Glaring, Evident, Apparent

Sheer, Mere, Unpretentious, Featureless, Stark, Homely, Obvious, Unattractive, Manifestly, Unadorned, Unembellished, Unornamented, Patently, Pure, Simple

Manifest, Demonstrable, Plain, Big, Perceptible, Egregious, Axiomatic, Palpable, Salient, Visible, Overt, Conspicuous, Glaring, Evident, Apparent

West Plains, provided an update on the state performance funding measures and KPIs for the West Plains campus.
Lastly, the Northern Plains region is composed of the traditional trade routes with neighboring Burkina Faso and the savanna plains.
Zebulon Pike, on an army expedition, reported that the dry plains were uninhabitable and advised farmers to stay east of the Plains.
Yamuna flood plains, the Aravalli Ridge and the great Gangetic plains that cover most part of the city.
Plains All Pipeline American LP, Plains GP Holdings LP, Plantronics Inc.
To study pictures and classify the landforms exhibited: mountains, plateaus, plains, deserts, and coastal plains.
The High Plains and Colorado Piedmont regions are parts of the Great Plains Province.
Plains such that Plains had a duty of care to prevent economic harm.
The topography has rolling plains, broad valleys and flood plains.
Prehistoric farmers of the Great Plains are known as Plains Woodland and then Plains Village peoples.

Parks, for obvious reasons, were a mostimportant source.
The reason for its rapid adoption is obvious.
Nor, for that matter, is it always obvious.
In other words, obvious statements will be ineffective.
RPM are obvious because retail prices are observable, while defections from a wholesale price agreement are less obvious because wholesale prices are private information.
You have pointed out some of the obvious, and some of the not so obvious, problems inherent in dealing with the devil!
But what is obvious to one is NOT so obvious to another.
It would be confusing for listeners if obvious changes in input data do not correspond with obvious changes in sonification output.
Some of these things are obvious but still need to be listed, others are not so obvious, but essential nonetheless.
So it helps to have identified the more obvious and less obvious contrasting characteristics among the specimen before creating your dichotomous key.