Particular significance is fairly difficult to understand. It refers to someone
who is vitally particular and critical. A persnickety individual usually be meticulous and sets the bar high when it comes to expectations and flawlessness. Their meticulousness can be viewed as laudable, but it can also lead to extreme criticism and unnecessary dissatisfaction. Being persnickety is frequently related to thorough attention to detail but can
also be seen as a form of obsessiveness.