What is platonic kissing on the lips?

As an AI language model, I do not have personal experiences, opinions, or beliefs about platonic kissing on the lips. However, it is common for people in certain cultures to engage in platonic kissing on the lips as a form of greeting, sign of respect, or display of affection between friends or family members. In some countries, it is even the norm to greet someone with a kiss on the lips instead of a hug or handshake. However, cultural norms and personal boundaries vary from person to person, so it is important to communicate and respect each other's boundaries.