The gardens are looking flat. Tall phlox, bee balm, asters, mums have been cut down and composted.
Sunlight is "flat." The sun has moved so far to the south that it shines obliquely over the landscape.
Mood can begin to feel flat on gray days as the hours of daylight shorten.
I experience calm as flat, but it's a slightly happy flat, like floating on the river in my kayak.
Calm. Let's enjoy this calm vacation from the hub-bub of news, becalmed from the busy-ness of going and doing.
How does calm feel to you?