The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

These instructions
are a pictographic REPRESENTATION...
The Big Bang Theory Season 1, Episode 2

the best legal
REPRESENTATION ever.
Breaking Bad Season 2, Episode 8

A perfect culinary REPRESENTATION
of the freedom this evening holds.
The Big Bang Theory Season 2, Episode 21