Luckily due to it being the second biggest dialect in the country there is a huge variety of content that has been produced by speakers of the dialect and often a setting in movies. Much like the UK and many European countries you will find differences in peoples accent and words they use can vary even a village away.
Thankfully due to mass media we generally grow up hearing a wide variety of accents and although we will still likely not know every dialect specific word we can easily pick them up by spending time with or listening to natives of that region. 경상도 is also known as 영남 지방.
