Is welcome a reply to thank you?

Good day, esteemed readers! I'm curious to delve into a question that has perhaps crossed many minds at one point or another. When we express gratitude through a "thank you," does it inherently invite a reply in the form of a "welcome" or similar acknowledgment? Is this an expected social norm, or does it vary depending on cultural contexts and personal preferences? Let's explore this intriguing aspect of etiquette and language use, seeking to understand whether a "welcome" is indeed a fitting response to a heartfelt "thank you.