Inspiration from Furniture

I've been noticing some neat furniture items on Etsy lately that all have a simple, retro-modern feel to them. I really like this style, so I thought I'd share a few examples...

[source]

[source]

[source]

[source]

[source]

It looks like woodgrain is a theme here, as well as simplicity and "less is more." Several of the items have metal legs, and all of them have a combination of a main shape with skinny legs. What other design elements do you notice in these items?