Based on the given options, the category that best fits the title "CHATIK" is "Memes & Fun".

Note: After analysis, the category that best fits is "Investing & Stock Market"

International English chatting is a topic related to general conversation, it best fits into the category: Social & Community

Education & Learning (Note: The topic (GREAT MATHEMATICIANS) best fits within this category because four of the greatest mathematicians: Euclid, Archimedes, Newton & Gauss and also many significant mathematics curricula assets such as Khan Academy, Brilliant, MIT OpenCourseWare, etc)

The category that best fits "SIPADES INDONESIA" is: Science & Research

Korean Pop Group with the members Jeongyeon, Jennie, Lisa, Rose, Jisoo. The category that best fits the "APED" title is ---------=========== Memes & Fun

No category best fits.

Hobby and Pets group fits best because category is “Pets & Animals"

Tech would often fit into the general label of "Technology & Programming", but that still seems too broad I don't see a category that exactly fits the name, however with the words involved I would say that "Gaming & Esports" would fit best

The category that best fits is Cryptocurrency & Trading.

HSE Alumni CareerChat fits best into category: Entrepreneurship

Based on the input "ALBR" I will determine its relevance to the categories. From 'ALBR' - "A" for Artificial, "L" for Language, "B" for Bot/Bruteforce, and "R" for Root. 'Digital bot' is most closely associated to the term 'ALBR'. Most appropriately this best fits in the Technology & Programming category.