Particular importance is rather hard to grasp. It refers to someone who is exceedingly choosy and nitpicking. A persnickety individual typically nitpick and does not settle for less when it comes to standards and excellence. Their meticulousness can be regarded as praiseworthy, but it can also magnify unwarranted criticism and unnecessary dissatisfaction. Being persnickety is often related to meticulous attention to detail but can also be seen as a type of obsessiveness.