None of the categories perfectly fit the general topic of "system". However, given that "system" could be related to "DIY & Hobbies" as it could mean a system for home improvement or a complex system for a hobby, the most relevant category is: DIY & Hobbies

Based on the given category list, I was unable to find a direct match. However, I can provide a possible analysis: SHLYAPA seems related to 'DIY & Hobbies', however with no exact match. so: DIY & Hobbies

DIY & Hobbies ("CoreXY" is related to 3D Printing, a subset of DIY & Hobbies)

Furniture & Decor, however the actual name is not present the name that most closely resembles is the one I will output. DIY comes close DIY & Hobbies

XDA (XDA Off Topic) Group falls under the category: Social & Community.

Sohbet_Klubu falls under the category: Social & Community

This term seems to be about sending digital pokes (or friend requests) in Telegram, which falls under social interactions or friendships. I'll select the most specific and relevant category, which could be "Social & Community".

AWS Community ===> falls under... Technology & Programming

Support Group falls under the category "Social & Community".

Custom Writing Services can be categorized under Education & Learning (or a more specific category could be Tutoring & Lessons) and more commonly under, Custom Writing Services would be better categorized under Productivity & Time Management

Since "Krakow" is a city, I'll categorize it under the following list: Technology & Programming Ethical Hacking & Cybersecurity Blockchain & Web3 AI & Machine Learning Programming Challenges & Hackathons Cryptocurrency & Trading Gaming & Esports Movies & TV Shows Anime & Manga Music & Audio News & Politics Business & Finance Investing & Stock Market Freelancing & Side Hustles Startup & Entrepreneurship Remote Work & Digital Nomads Science & Research Education & Learning Health & Wellness Self-Improvement & Motivation Productivity & Time Management Fashion & Beauty Travel & Tourism Food & Cooking Cars & Automobiles Pets & Animals DIY & Hobbies Photography & Videography Sports & Fitness Military & Survival History & Culture Spirituality & Religion Relationships & Dating Social & Community Memes & Fun Shopping & Deals Real Estate & Property Adult & NSFW Entertainment & Media Other / Unclassified Unfortunately no category exists here. But considering the categories, History & Culture is the closest fit. History & Culture

Jobs No category matched, certain jobs might fall in categories such as: Remote Work & Digital Nomads, Freelancing & Side Hustles, Business & Finance, but to be most specific the closest match would likely be "Jobs" however, if categorizing, perhaps it falls under a different category as Dubai is a popular location for remote work especially, so I'd choose "Remote Work & Digital Nomads"