Here are two more Thor: The Dark World banners, giving Hiddlestoners yet more Loki, and, er, Hopkinites a welcome dose of Odin.

In dumb significants proclaim your thoughts.

It means you can get—buy natural gas from overseas in liquefied form and deliquefy it.

The context refers to how you use an expression. You've actually already seen some contextual operations with numbers and strings. When you do numbery sorts of things, you get numeric results. When you do stringy sorts of things, you get string results.