Art Gallery isn't explicitly listed, but it could fit under the category of "Entertainment & Media."

Technical Information Isn't Provided to determine exactly the title "of which catalogue" belong to but based on a general name 'Telegram' given it can be categorized as Technology & Programming.

Web & Development (specifically "Technology & Programming" category isn't specific enough, but based on the first word "Remylind23" system is implied to be a system related to tech/web development)

This information isn't enough information to make a category, but a guess about this would likely have ROYERs categorized in 'Other / Unclassified' since nothing on this text outlining categories given previous to Royers resembles the name.

Marketing & Business isn't explicitly listed, however the closest match is the categorized "Startup & Entrepreneurship" OR "Business & Finance". But since the keyword in question is "UNIVERS BUSINESS" i would choose Business & Finance

None, as "Astrolescent" isn't entered as an actual data but to give some insights, "Astrolescent" itself is related to Astronomy. Therefore the answer is Science & Research

Bonus Hunters isn't explicitly listed, but it falls under a broader category of "Gaming & Esports" since the term "Hunters" implies a competitive, often gaming-focused experience.

Given the context, the entity "Telegram" could map to several categories, but since it's a messaging app focused on secure communication: Ethical Hacking & Cybersecurity doesn't capture it. Blockchain & Web3 also doesn't fit. However, since Telegram emphasizes end-to-end encryption for private and group chats, "Security" isn't explicitly listed. Yet, its core functionality deals with secure data transmission. Considering the relevance and fit best: Technology & Programming would be the choice.

Other / Unclassified (fabwelt seems to be an ecommerce website, but it doesn't have a specific category that fits perfectly, it could fit under the broader e-commerce / online shopping category, which isn't available)

Software not listed. Let me try another approach. Programming Challenges & Hackathons isn't listed directly, but Hackathons may be listed here. I assume you want technology. Here it is: Technology & Programming

Writing isn't explicitly listed but falls under categories such as Technology and Programming, Freelancing, and Entrepreneurship or primarily and MOST RELEVANTLY Education & Learning

Based on the list, Amsterdam doesn't explicitly appear in any exact title, many locations to various groups appear to be absent in the list but it is more likely associated with areas of interest which may fit as; Travel & Tourism.