Answer:
A beacon from home to guide your way. It can be a lifesaver on a stormy day. What is it?
Reaching stiffly for the sky, I bare my fingers when its cold. In warmth I wear an emerald glove and in between I dress in gold.
When liquid splashes me, none seeps through. When I am moved a lot, liquid I spew. When I am hit, color I change. And color, I come in quite a range. What I cover is very complex, and I am very easy to flex.
Large as a mountain, small as a pea, Endlessly swimming in a water-less sea.
The man who made it didn't need it. The man who bought it didn't use it. The man who used it didn't want it.
What language does a billboard speak?