There are a lot of words with different meanings between British and american English. Although both countries generally understand both terms, sometimes it can get a little confusing. Lets take a look at the differences between the most common words.
British English American English
Play time Recess
Car Park Parking lot
Chemist Drug Store
Post code Zip code
number plate Licence plate
postbox Mail box
These are just a few of the most common words that have different meanings but there are hundreds more! As most films and television shows are american it is very common for English as a foreign language speakers to use the american words.
The other thing you may notice is that British English and american English often spell the same word differently. This can sometimes be confusing so make sure you always check. Depending on what type of English you have been taught will define what spelling system to use.