Every time someone thinks about increasing their digital footprint the first thing they ponder upon is SEO. But before moving ahead with it let's discuss the basics. SEO marketing basically revolves around using a lot of keywords, something you must have heard before. Keywords are nothing but search queries that generate responses on the internet. The following will give you a better understanding of popular and unpopular keywords, “black dress” is a highly searched keyword whereas “off-shoulder black dress in Delhi/NCR” isn’t. Owing to slight differences between popular and unpopular keywords, correct knowledge of keywords is a pre-requisite while working with them.