Fonda's page on the Mixed Greens website includes a statement about the difference between abstraction and representation being the same as the difference between sky and clouds; the origin of the discussion is more important than any conclusion. Possibly a true statement or maybe just a useful obfuscation.
These pieces by Linder are ink on paper. They are rather large at 55x 72 inches and 82 x 52 inches respectively. There is an almost architectural vibe in the detail of these figurative works.